2D Shapes: Interactive Quizzes and Practice Questions

Question 1

Find the perimeter of a rectangle with a length of 8 cm and a width of 5 cm.

Accepted Answer

26 cm

Answer

13 cm

Answer

16 cm

Answer

40 cm

Question 2

What is the area of a triangle with a base of 10 cm and a height of 6 cm?

Accepted Answer

30 cm²

Answer

16 cm²

Answer

60 cm²

Answer

120 cm²

Question 3

Which of the following is NOT a regular polygon?

Accepted Answer

Rectangle

Answer

Square

Answer

Equilateral triangle

Answer

Rhombus

Question 4

The angles of an equilateral triangle are all equal. What is the measure of one angle in an equilateral triangle?

Accepted Answer

60 degrees

Answer

30 degrees

Answer

45 degrees

Answer

90 degrees

Question 5

Which of the following formulas is used to find the area of a trapezium?

Accepted Answer

A = ½ * (a + b) * h

Answer

A = l * w

Answer

A = ½ * b * h

Answer

A = πr²

Question 6

Which of the following shapes has rotational symmetry of order 4?

Accepted Answer

Square

Answer

Rectangle

Answer

Triangle

Answer

Pentagon

Question 7

How many right angles does an equilateral triangle have?

Accepted Answer

Three

Answer

Two

Answer

Four

Answer

Five

Question 8

What is the size of each interior angle of a regular hexagon?

Accepted Answer

60 degrees

Answer

90 degrees

Answer

120 degrees

Answer

150 degrees

Question 9

Which shape, given the same area, has the largest perimeter?

Accepted Answer

Circle

Answer

Square

Answer

Rectangle

Answer

Triangle

Question 10

In a triangle, what is the term for the distance from a vertex to the opposite side?

Accepted Answer

Altitude

Answer

Base

Answer

Median

Answer

Height

Question 11

Which of the following is **not** a property of a rectangle?

Accepted Answer

Four equal sides

Answer

Opposite sides are parallel

Answer

All sides are congruent

Answer

Four right angles

Question 12

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

Accepted Answer

540°

Answer

360°

Answer

720°

Answer

900°

Question 13

What is the name of the point where the three altitudes of a triangle intersect?

Accepted Answer

Orthocenter

Answer

Centroid

Answer

Incenter

Answer

Circumcenter

Question 14

What formula is used to calculate the area of a triangle?

Accepted Answer

Base multiplied by height, divided by 2

Answer

Base multiplied by height

Answer

Half of base squared multiplied by height squared

Answer

Twice the base multiplied by the height

Question 15

If a rectangle has a length of 5 cm and a width of 3 cm, what is its perimeter?

Accepted Answer

16 cm

Answer

8 cm

Answer

10 cm

Answer

20 cm

Question 16

A triangle has a base of 6 cm and a height of 4 cm. What is its area?

Accepted Answer

24 cm^2

Answer

12 cm^2

Answer

48 cm^2

Answer

96 cm^2

Question 17

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

Accepted Answer

360 degrees

Answer

180 degrees

Answer

540 degrees

Answer

720 degrees

Question 18

Which property does NOT belong to a rectangle?

Accepted Answer

Four congruent sides

Answer

Four right angles

Answer

Two pairs of parallel sides

Answer

Opposite sides are equal

Question 19

What shape is formed when you draw a diagonal across a rectangle?

Accepted Answer

Two congruent triangles

Answer

Two similar triangles

Answer

Two squares

Answer

Two rectangles

Question 20

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

Accepted Answer

180 degrees

Answer

120 degrees

Answer

270 degrees

Answer

360 degrees

Question 21

Which formula is used to calculate the area of a triangle?

Accepted Answer

A = (1/2) * base * height

Answer

A = pi * r^2

Answer

A = l * w

Answer

A = (1/3) * pi * r^2

Question 22

Which shape has four equal sides and four right angles?

Accepted Answer

Square

Answer

Rectangle

Answer

Rhombus

Answer

Trapezium

Question 23

In geometry, what is the term for the point where two sides of a shape meet?

Accepted Answer

Vertex

Answer

Angle

Answer

Edge

Answer

Side

Question 24

Which of the following is not a property of a rectangle?

Accepted Answer

Diagonals are equal in length.

Answer

Opposite sides are equal in length.

Answer

Opposite sides are parallel.

Answer

Opposite angles are equal.

Question 25

A triangle with three equal sides is called a:

Accepted Answer

Equilateral triangle

Answer

Scalene triangle

Answer

Isosceles triangle

Answer

Right triangle

Question 26

Which formula is used to find the area of a rectangle?

Accepted Answer

A = b × h

Answer

A = 1/2 × b × h

Answer

A = πr²

Answer

A = 4πr²

Question 27

If the perimeter of a square is 24 cm, what is the length of each side?

Accepted Answer

8 cm

Answer

4 cm

Answer

6 cm

Answer

12 cm

Question 28

Which shape has the most sides?

Accepted Answer

Hexagon

Answer

Triangle

Answer

Quadrilateral

Answer

Pentagon

Question 29

If the perimeter of a square is 36 cm, what is its area?

Accepted Answer

144 cm²

Answer

16 cm²

Answer

36 cm²

Answer

81 cm²

Question 30

What is the name of a triangle that has two equal sides?

Accepted Answer

Isosceles triangle

Answer

Equilateral triangle

Answer

Scalene triangle

Answer

Right-angled triangle

Question 31

How do you calculate the area of a rectangle?

Accepted Answer

Length multiplied by width

Answer

Length plus width

Answer

Half of base multiplied by height

Answer

π multiplied by radius squared

Question 32

Which shape has the most sides?

Accepted Answer

Hexagon

Answer

Triangle

Answer

Quadrilateral

Answer

Pentagon

Question 33

Which angle is NOT a type of angle?

Accepted Answer

Straight line

Answer

Acute angle

Answer

Right angle

Answer

Obtuse angle

Question 34

Which shape has rotational symmetry?

Accepted Answer

Circle

Answer

Triangle

Answer

Rectangle

Answer

Trapezium

Question 35

What is the name of the shape that is formed by joining two circles with the same radius?

Accepted Answer

Vesica piscis

Answer

Ellipse

Answer

Oval

Answer

Reuleaux triangle

Question 36

Which property does a parallelogram NOT have?

Accepted Answer

Four right angles

Answer

Opposite sides that are parallel

Answer

Opposite sides that are equal

Answer

Diagonals that bisect each other

Question 37

Which shape has the most sides?

Accepted Answer

Heptagon

Answer

Square

Answer

Triangle

Answer

Hexagon

Question 38

Which property does a square NOT have?

Accepted Answer

Three sides

Answer

Equal sides

Answer

Right angles

Answer

Parallel sides

Question 39

A triangle with equal sides is called an:

Accepted Answer

Equilateral triangle

Answer

Isosceles triangle

Answer

Scalene triangle

Answer

Right-angled triangle

Question 40

What is the area of a rectangle that is 5 cm long and 3 cm wide?

Accepted Answer

15 cm²

Answer

8 cm²

Answer

20 cm²

Answer

25 cm²

Question 41

Which shape is a regular polygon?

Accepted Answer

Square

Answer

Rectangle

Answer

Triangle

Answer

Parallelogram

Question 42

What is the area of a circle with a radius of 5 cm?

Accepted Answer

25π cm²

Answer

50π cm²

Answer

75π cm²

Answer

100π cm²

Question 43

Which shape is NOT a quadrilateral?

Accepted Answer

Triangle

Answer

Square

Answer

Rectangle

Answer

Trapezium

Question 44

Which shape has rotational symmetry of order 6?

Accepted Answer

Regular hexagon

Answer

Square

Answer

Rectangle

Answer

Triangle

Question 45

Classify a triangle with two sides of the same length:

Accepted Answer

Isosceles

Answer

Equilateral

Answer

Scalene

Answer

Right-angled

Question 46

How many sides does a regular octagon have?

Accepted Answer

8

Answer

6

Answer

10

Answer

12

Question 47

Calculate the perimeter of a square with a side length of 6 centimeters:

Accepted Answer

24 centimeters

Answer

12 centimeters

Answer

18 centimeters

Answer

36 centimeters

Question 48

Which shape has three straight sides and three angles?

Accepted Answer

Triangle

Answer

Square

Answer

Rectangle

Answer

Circle

Question 49

Calculate the perimeter of a triangle with sides measuring 6 cm, 8 cm, and 10 cm.

Accepted Answer

34 cm

Answer

14 cm

Answer

24 cm

Answer

44 cm

Question 50

Which of the following is NOT a polygon?

Accepted Answer

Circle

Answer

Square

Answer

Triangle

Answer

Rectangle

Question 51

Which angle is larger than 90 degrees?

Accepted Answer

Reflex

Answer

Acute

Answer

Right

Answer

Obtuse

Question 52

Calculate the area of a circle with a radius of 5 cm.

Accepted Answer

25π cm²

Answer

50π cm²

Answer

75π cm²

Answer

100π cm²

Question 53

Which property is NOT characteristic of a rectangle?

Accepted Answer

Diagonals bisect each other

Answer

Four equal right angles

Answer

Two pairs of opposite sides are parallel

Answer

Opposite sides are equal in length

Question 54

What is the formula used to calculate the area of a triangle?

Accepted Answer

1/2 x Base x Height

Answer

Length x Width

Answer

Base + Height

Answer

π x Radius^2

Question 55

Which type of triangle has three equal sides?

Accepted Answer

Equilateral triangle

Answer

Acute triangle

Answer

Right triangle

Answer

Scalene triangle

Question 56

Which shape is considered a regular polygon?

Accepted Answer

Square

Answer

Rectangle

Answer

Trapezium

Answer

Kite

Question 57

What is the name of a shape with five sides?

Accepted Answer

Pentagon

Answer

Hexagon

Answer

Heptagon

Answer

Octagon