Can You Master This Basic Shapes Test?

By: Khadija Leon

Can You Master This Basic Shapes Test?
Image: MirageC/Moment/Getty Images

About This Quiz

A shape is defined as "the external form or appearance characteristic of someone or something" or "the outline of an area or figure." Shapes may not be words but they can be seen as a form of communication - take the prehistoric man, for example. 

Each shape is said to be a form of one of the three basic shapes; the rectangle, the triangle, and the ellipse but with slight variations. Whether you agree or not, each one has specific characteristics, making them both similar and different from each other.

We have all learned the different shapes at one point in our lives and most of us see an example of them every day. The most common shapes include the square, circle, triangle, rectangle, heart, and star, but there are also more complex shapes like the icosahedron, the dodecagon, the square pyramid and the many different types of triangles.

How well do you know your basic shapes? If you were to go up against a recent kindergarten school graduate, will you be secretly celebrating, or reevaluating your life? To find out the answers to these questions, you need to take this quiz!

Lens What is the name of this shape?
Triangular prism
Lens
A lens is a two-dimensional shape composed of two convex arcs. The shape can also be created by having two circles intersect with the common area making up the lens.
Pentagon
Cone

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Nonagon The correct name of this shape is _____________.
Square
Cube
Nonagon
A nonagon is a nine-sided polygon. If it is a regular nonagon, all sides and angles are equal. If it is an irregular nonagon, the sides and angles are unequal.
Annulus

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Heptagon ____________ is the name of the shape shown in the image.
Heptagon
A heptagon is a seven-sided polygon and can be either regular (in which all sides and angles are equal) or irregular (in which the sides or angles are not equal).
Octagon
Sphere
Kite

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Cylinder The item seen here is called ___________.
Square
Sphere
Star
Cylinder
A cylinder is a three-dimensional shape bound by two round shapes (usually circles) at the top and the bottom and two parallel lines which connect them.

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Cuboid Which of the following shapes is seen in the screenshot?
Rectangle
Hexagonal pyramid
Cuboid
A cuboid is a three-dimensional convex polyhedron bound by six quadrilateral face. Each of the faces is rectangular, and all of its corners are 90-degree angles.
Crescent

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Rectangle The shape seen here is called __________.
Equilateral triangle
Rectangle
A rectangle is described as a quadrilateral polygon which has four right angles. Conventional rectangles have two sides which are longer than the other two, but all angles are still equal to 90 degrees.
Trapezium
Heart

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Ellipse What is this shape called?
Ellipse
An ellipse can be described as a curve in a plane which surrounds two focal points whose sum of the distance of those focal points is constant for every other point in the curve. Many of the celestial bodies in the solar system orbit around the sun in an elliptical manner.
Scalene Triangle
Heart
Triangular prism

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Cone The shape shown in the image is called a/an ____________.
Cone
A cone is a three-dimensional shape which thins out from its flat base to a point referred to​ as the apex. Cones have a circular face with curved sides which roll up to a point at the top.
Isoscles Triangle
Star
Tetrahedron

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Rhombus This shape known is as a/an ___________.
Sphere
Parallelogram
Rhombus
A rhombus is a non-self-intersecting quadrilateral whose four sides are all equal in length. Its diagonals also bisect its interior angle. The shape had a similar appearance to a diamond and is often referred to as one.
Ellipsoid

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Square-based Pyramid What is the name of the shape shown here?
Right angle triangle
Square pyramid
A square pyramid is a type of pyramid which has a square base and all of the lateral edges have the same length. The sides, which are not a part of the base, are congruent isosceles triangles.
Rhombus
Rectangle

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Frustum This is the image of a/an __________.
Obtuse triangle
Cylinder
Acute triangle
Frustum
A frustum is a shape in which the portion of a solid (pyramid or cone) is left after cutting off a portion with a plane, parallel to the base.

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Trapezoid What is the name given to this shape?
Cube
Acute triangle
Trapezoid
A trapezoid is a quadrilateral shape which has two sides which are parallel to one another. When two of the sides other than the base are parallel, it is referred to as an isosceles trapezoid.
Square

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Kite This shape is known as a ____________.
Crescent
Rectangle
Heart
Kite
A kite, also called a deltoid, is a quadrilateral which has four sides that can be grouped into two pairs of equal length sides, which are always adjacent to each other.

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Triangular Prism What is the name of this geometric shape?
Rhombus
Triangular prism
A triangular prism is a three-sided polyhedron which is made up of a triangular base and three faces which join their corresponding sides. All of the cross sections which are parallel to the base are the same size triangles.
Star
Parallelogram

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Tetrahedron Which of the following names is associated​ with this shape?
Ellipse
Tetrahedron
A tetrahedron, also called a triangular pyramid, is a type of polyhedron which is composed of four triangular faces and four vertex corners.
Kite
Rhombus

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Obtuse Triangle This shape is called a/an _____________.
Obtuse triangle
An obtuse triangle is a type of triangle which has an angle that is greater than 90 degrees - obtuse angle. Since the total angle of all triangles must add up to 180 degrees, it is impossible for a triangle to have more than one obtuse angle.
Trapezoid
Circle
Rectangle

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Right Triangle What is this item called?
Decagon
Trapezium
Right-angle triangle
A right-angled triangle is a triangle in which one of its angles is a right angle. The side opposite to the angle is called the hypotenuse and the sides adjacent to the true angle are called the legs.
Pentagon

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Cube This shape is known as a/an ___________.
Square
Acute triangle
Pentagon
Cube
A cube is a three-dimensional shape which is bound by six square faces and sides, with three of them meeting at each vertex. It is also a type of rectangular hexahedron and is dual to the octahedron.

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Decagon What is the correct name of this shape?
Scalene triangle
Decagon
A decagon is a 10-sided polygon whose sides are all straight and equal with each of its internal corners. The angles are always equal to 144 degrees and all add up to 1440 degrees.
Circle
Octagon

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Hexagonal Prism This geometric shape is called a _____________.
Star
Ellipse
Hexagonal prism
A hexagonal prism is a combination of a prism and polygon which has a hexagonal base and consists of eight faces, 18 edges and 12 vertices. Because it has eight faces, it is also a type of octagon.
Pentagon

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Equilateral Triangle What is the name of this shape?
Equilateral triangle
An equilateral triangle can be described as a type of triangle which is equal in length on all three sides. This shape is also equiangular, meaning that all of the internal angles are the same.
Hexagon
Heart
Heptagon

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Isoscles Triangle The correct name of this shape is a/an _____________.
Octagon
Isosceles triangle
An isosceles triangle is a type of triangle in which two of its sides are of equal length. The two equal sides are referred to as the legs, while the third side is referred to as the base. One example of this type of triangle is the golden triangle.
Kite
Square

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Scalene Triangle ____________ is the name of the shape shown in the image.
Decagon
Nonagon
Scalene triangle
A scalene triangle is a type of triangle in which all of its sides are different in length. Because of the length disparity, all of its angles are also different, but they still add up to 360 degrees.
Octagon

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Square Prism The item seen here is called a/an ___________.
Ellipse
Dodecahedron
Square prism
A square prism is a three-dimensional cuboid whose base is composed of squares. The opposite sides and angles are all equal. An example of this shape is a box of tissues.
Decagon

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Parallelogram Which of the following shapes is seen in the screenshot?
Sphere
Crescent
Cuboid
Parallelogram
A parallelogram is a simple quadrilateral which has two sets of parallel sides. The opposite sides of the shape are both equal in length and the opposite angles are also equal.

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Ellipsoid The shape seen here is called __________.
Parallelogram
Ellipsoid
An ellipsoid is a three-dimensional figure whose plane sections are circles or ellipses. It differs from an ellipse in that all of its cross sections are circular while an ellipse is a closed curve.
Cube
Icosahedron

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Acute Triangle What is this shape called?
Cube
Sphere
Acute triangle
An acute triangle is a type of triangle in which all the angles are less than 90 degrees. The acute triangle is also an oblique triangle – a triangle in which there no right or 90-degree angles.
Rhombus

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Oval The shape shown in the image is called a/an ____________.
Oval
An oval is a type of curve in a plane which resembles the outline of an egg. Unlike many other curves, the oval is a closed circuit.
Cuboid
Tetrahedron
Square

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Hexagon What is this shape known as?
Triangular prism
Ellipsoid
Cone
Hexagon
A hexagon is a type of polygon which has six sides. If regular, each of its internal angles is equal to 120 degrees and together they add up to 720 degrees.

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Trapezium What is the name of the shape shown here?
Equilateral triangle
Cylinder
Trapezium
A trapezium is a quadrilateral which has no parallel sides. It differs from a trapezoid because while the trapezium does not have parallel sides, the trapezoid does.
Square-based pyramid

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Circle This is the image of a/an __________.
Triangular prism
Cylinder
Sphere
Circle
A circle is a closed shape in which all points in the plane are the same distance from a fixed point, which is the center. The distance from the cent​er and any given point is known as its radius.

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Square What is the name given to this shape?
Rhombus
Square
A square is a regular quadrilateral which is made up of four equal sides and four equal angles (90-degree angles). It can also be described as a type of rectangle whose adjacent sides are equal in length.
Cone
Acute triangle

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Crescent This shape is known as a ____________.
Pyramid
Cube
Kite
Crescent
A crescent is a circular disk with a portion of another circle being removed from the edge. The shape is representative of the lunar phase in the first quarter of the phases of the moon.

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Star What is the name of this geometric shape?
Tetrahedron
Trapezium
Trapezoid
Star
A star is an equilateral polygon which can be described as an equiangular polygon created by connecting one vertex of the polygon to the other. Most stars are seen with five points, but they can have any combination of numbers.

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Sphere Which of the following names is associated​ with this shape?
Sphere
A sphere is a three-dimensional completely rounded object whose distance from the center is the same at any given point or level. An example of this shape is planet Earth.
Hexagonal pyramid
Parallelogram
Ellipse

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Dodecagon This shape is called a/an _____________.
Icosahedron
Dodecagon
A dodecagon is a type of polygon which has 12 sides. Regular dodecagons have an internal angle of 150 degrees at each of the twelve vertices.
Heart
Rhombus

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Octagon What is this item called?
Concave hexagon
Crescent
Octagon
An octagon is an eight-sided polygon whose eight angles are also equal, making it a regular octagon. Irregular octagons are those in which neither the angles nor sides are equal.
Circle

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Icosahedron This shape is known as a/an ___________.
Isoscles triangle
Square
Acute triangle
Icosahedron
An icosahedron is a type of polyhedron and three-dimensional shape that has 20 faces (or flat surfaces). Many of the enveloped viruses, including Hepatitis C and influenza, are examples of this shape.

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heart What is the correct name of this shape?
Rectangle
Heart
A heart is a shape which can be described as having two equal curves connected by a cusp at the top and the other two points meet at the bottom. This shape is often used to express affection and love.
Obtuse triangle
Circle

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Annulus This geometric shape is called a/an _____________.
Annulus
An annulus is a circular shape in which two concentric circles are bound in a region. The word annulus is also used to refer to the shape of a hardware washer.
Heart
Scalene triangle
Pentagon

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