2D Shapes Quiz: Test Your Knowledge of Two-Dimensional Figures

Question 1

How many sides does a regular octagon have?

Accepted Answer

8

Answer

4

Answer

6

Answer

10

Question 2

A shape with three sides of the same length is called an:

Accepted Answer

Equilateral triangle

Answer

Isosceles triangle

Answer

Scalene triangle

Answer

Parallelogram

Question 3

The area inside a circle is determined by its:

Accepted Answer

Radius

Answer

Diameter

Answer

Circumference

Answer

Height

Question 4

Which of these shapes can be turned any number of times and still look the same?

Accepted Answer

Circle

Answer

Square

Answer

Rectangle

Answer

Triangle

Question 5

A triangle is a 2D shape with three sides and three angles. How many sides does a triangle have?

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 6

A circle is a 2D shape that has no sides or corners. Which of the following shapes is a circle?

Accepted Answer

A shape with a curved edge and a single point in the center

Answer

A shape with straight edges and sharp corners

Answer

A shape with both curved and straight edges

Answer

A shape with no curved edges and no corners

Question 7

A circle is a 2D shape that has a curved edge. Which of the following shapes is a circle?

Accepted Answer

A shape with a curved edge and a single point in the center

Answer

A shape with straight edges and sharp corners

Answer

A shape with both curved and straight edges

Answer

A shape with no curved edges and no corners

Question 8

Which of the following is NOT a property of a square?

Accepted Answer

Only two equal sides

Answer

Four equal sides

Answer

Four right angles

Answer

Two pairs of parallel sides

Question 9

What is the formula for the area of a circle?

Accepted Answer

πr²

Answer

πd²

Answer

2πr

Answer

πr

Question 10

What shape is formed by connecting the midpoints of the sides of a rectangle?

Accepted Answer

Rhombus

Answer

Square

Answer

Rectangle

Answer

Trapezoid

Question 11

Which 2D shape has four equal sides and four right angles?

Accepted Answer

Square

Answer

Rectangle

Answer

Triangle

Answer

Circle

Question 12

Which 2D shape has three straight sides and three angles?

Accepted Answer

Triangle

Answer

Square

Answer

Rectangle

Answer

Circle

Question 13

Which 2D shape is a closed curve with no corners or sides?

Accepted Answer

Circle

Answer

Square

Answer

Rectangle

Answer

Triangle

Question 14

How many sides does a square have?

Accepted Answer

4

Answer

2

Answer

3

Answer

5

Question 15

Which shape has four equal sides and four right angles?

Accepted Answer

Rectangle

Answer

Triangle

Answer

Circle

Answer

Trapezoid

Question 16

Which shape does not have any sides?

Accepted Answer

Circle

Answer

Square

Answer

Rectangle

Answer

Triangle

Question 17

A quadrilateral with two pairs of parallel sides is called a:

Accepted Answer

Parallelogram

Answer

Rhombus

Answer

Trapezoid

Answer

Kite

Question 18

Which shape has six sides?

Accepted Answer

Hexagon

Answer

Square

Answer

Rectangle

Answer

Triangle

Question 19

A shape with eight equal sides is called an:

Accepted Answer

Octagon

Answer

Heptagon

Answer

Nonagon

Answer

Decagon

Question 20

Which shape is a regular polygon?

Accepted Answer

Square

Answer

Triangle

Answer

Trapezoid

Answer

Kite

Question 21

A shape that has rotational symmetry is said to be:

Accepted Answer

Symmetrical

Answer

Asymmetrical

Answer

Congruent

Answer

Similar

Question 22

A shape that can be divided into two congruent halves by a line of symmetry is said to be:

Accepted Answer

Symmetrical

Answer

Asymmetrical

Answer

Congruent

Answer

Similar

Question 23

Which statement is NOT a property of a square?

Accepted Answer

Its angles add up to 360 degrees

Answer

All four sides are equal in length

Answer

It has four right angles

Answer

Opposite sides are parallel

Question 24

Which of these is NOT a property of a square?

Accepted Answer

It has two diagonals of different lengths

Answer

All sides are the same length

Answer

All angles are right angles

Answer

Opposite sides are parallel

Question 25

Calculate the perimeter of a rectangle with a length of 5 cm and a width of 3 cm.

Accepted Answer

16 cm

Answer

8 cm

Answer

30 cm

Answer

50 cm

Question 26

Which shape among the given options has the greatest number of sides?

Accepted Answer

Heptagon

Answer

Triangle

Answer

Pentagon

Answer

Hexagon

Question 27

Which of the following is categorized as a regular polygon?

Accepted Answer

Rhombus

Answer

Rectangle

Answer

Parallelogram

Answer

Trapezium

Question 28

Identify the type of shape that is formed when a trapezoid and a triangle are combined.

Accepted Answer

Composite shape

Answer

Rectangle

Answer

Triangle

Answer

Circle

Question 29

Which shape has exactly three straight sides?

Accepted Answer

Triangle

Answer

Square

Answer

Rectangle

Answer

Circle

Question 30

Name the shape that has no sides or angles.

Accepted Answer

Circle

Answer

Square

Answer

Triangle

Answer

Line

Question 31

Which characteristic is NOT true for a rectangle?

Accepted Answer

All sides equal in length

Answer

Four right angles

Answer

Opposite sides are parallel

Answer

Opposite sides are equal in length

Question 32

Calculate the area of a square with sides measuring 5 cm.

Accepted Answer

25 cm²

Answer

10 cm²

Answer

15 cm²

Answer

50 cm²

Question 33

What is the total measurement of the interior angles of a triangle?

Accepted Answer

180°

Answer

90°

Answer

270°

Answer

360°

Question 34

Which of the following is considered a congruent shape?

Accepted Answer

Two circles with the same radius

Answer

A square and a rectangle

Answer

A triangle and a circle

Answer

Two squares with different side lengths

Question 35

A triangle with all sides equal is known as an:

Accepted Answer

Equilateral triangle

Answer

Isosceles triangle

Answer

Scalene triangle

Answer

Right-angled triangle

Question 36

Which of the following shapes has the greatest number of sides?

Accepted Answer

Hexagon

Answer

Triangle

Answer

Quadrilateral

Answer

Pentagon

Question 37

The circumference of a circle is calculated using the formula:

Accepted Answer

2πr

Answer

πr²

Answer

4πr

Answer

πr/2

Question 38

The area of a triangle can be calculated using the formula:

Accepted Answer

bh/2

Answer

πr²

Answer

lw

Answer

4πr

Question 39

Which of the following shapes is not symmetrical?

Accepted Answer

Trapezoid

Answer

Circle

Answer

Square

Answer

Equilateral triangle

Question 40

The perimeter of a shape is the total length of its:

Accepted Answer

Sides

Answer

Diagonals

Answer

Angles

Answer

Vertices

Question 41

What is the sum of the interior angles of a triangle?

Accepted Answer

180 degrees

Answer

90 degrees

Answer

270 degrees

Answer

360 degrees

Question 42

A regular hexagon has how many sides?

Accepted Answer

6

Answer

4

Answer

8

Answer

10

Question 43

A circle is divided into 12 equal sectors. What fraction of the circle is represented by each sector?

Accepted Answer

1/12

Answer

1/6

Answer

1/8

Answer

1/10

Question 44

Which of the following transformations would NOT map a square onto itself?

Accepted Answer

Dilation

Answer

Reflection

Answer

Rotation

Answer

Translation

Question 45

Which of the following is NOT a property of a parallelogram?

Accepted Answer

All sides are congruent

Answer

Opposite sides are parallel

Answer

Opposite angles are congruent

Answer

Diagonals bisect each other

Question 46

The radius of a circle is increased by 50%. By what percentage does its area increase?

Accepted Answer

125%

Answer

25%

Answer

50%

Answer

100%

Question 47

Which of the following is a defining property of a square?

Accepted Answer

Four equal sides and four right angles

Answer

Four equal sides

Answer

Two pairs of parallel sides

Answer

Four right angles

Question 48

A parallelogram is characterized by:

Accepted Answer

Two pairs of parallel sides

Answer

Equal sides

Answer

Right angles

Answer

Equal diagonals

Question 49

A shape with three straight sides is known as a:

Accepted Answer

Triangle

Answer

Hexagon

Answer

Pentagon

Answer

Quadrilateral

Question 50

Which of the following is an example of a convex shape?

Accepted Answer

Circle

Answer

Concave pentagon

Answer

Crescent moon

Answer

Star

Question 51

A shape with an endless number of sides is called a:

Accepted Answer

Circle

Answer

Rectangle

Answer

Square

Answer

Triangle