1
The image shows a triangle with sides 5 cm, 7 cm and 8 cm. What is the perimeter?
Hint: Add all the three sides.
CBC Mathematics practice
Perimeter, Area and Circumference Questions
Look carefully at each diagram, work out the answer on paper, then choose the correct answer. Use π = 22/7 for circle questions.
Before you begin
- Look at each image carefully.
- Work out the answer on a separate paper.
- Choose the correct answer.
- Use π = 22/7 for circle questions.
Perimeter = distance around
Area = space inside
Circumference = circle perimeter
2
The image shows a rectangle with length 12 cm and width 7 cm. What is the perimeter?
Hint: Use Perimeter = 2 × (length + width).
3
The image shows a square with each side measuring 9 cm. What is the perimeter?
Hint: Use Perimeter = 4 × side.
4
The image shows a combined shape with outside sides 5 cm, 3 cm, 7 cm, 5 cm, 8 cm and 12 cm. What is the perimeter?
Hint: Add all the outside sides only.
5
The image shows a circle with radius 7 cm. What is the circumference?
Hint: Use Circumference = 2 × π × radius.
6
The image shows a circle with diameter 14 cm. What is the circumference?
Hint: Use Circumference = π × diameter.
7
The image shows a rectangle with length 15 cm and width 6 cm. What is the area?
Hint: Use Area = length × width.
8
The image shows a parallelogram with base 12 cm and height 5 cm. What is the area?
Hint: Use Area = base × height.
9
The image shows a rhombus with diagonals 10 cm and 8 cm. What is the area?
Hint: Use Area = 1/2 × diagonal 1 × diagonal 2.
10
The image shows a trapezium with parallel sides 8 cm and 14 cm. The height is 6 cm. What is the area?
Hint: Use Area = 1/2 × (sum of parallel sides) × height.
11
The image shows a circle with radius 7 cm. What is the area?
Hint: Use Area = π × radius × radius.
12
The image shows a circular border with outer radius 14 cm and inner radius 7 cm. What is the area of the border?
Hint: Find the outer circle area, then subtract the inner circle area.
13
The image shows a rectangular border. The outer rectangle is 18 cm by 12 cm. The inner rectangle is 14 cm by 8 cm. What is the area of the border?
Hint: Find the outer rectangle area, then subtract the inner rectangle area.
14
The image shows a square border. The outer square has side 12 cm. The inner square has side 8 cm. What is the area of the border?
Hint: Find the outer square area, then subtract the inner square area.
15
The image shows a combined shape made of a rectangle and a triangle. The rectangle measures 10 cm by 6 cm. The triangle has base 10 cm and height 4 cm. What is the total area?
Hint: Find the area of the rectangle and the triangle, then add them.
16
True or False: Perimeter means the distance around a shape.
Hint: Think about the outside boundary of a shape.
17
True or False: Area is measured in cm, m or km.
Hint: Area is measured in square units.
18
True or False: Circumference means the distance around a circle.
Hint: Circumference is the perimeter of a circle.