Area & Perimeter
6 free practice questions with explanations
PassNova has 6 free 11+ Entrance Exam practice questions on Area & Perimeter, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Area & Perimeter: example questions & answers
6 worked examples with answers and explanations below. Practise them in the browser with instant feedback on every answer.
What is the area of a rectangle with length 5 and width 3?
- A8
- B12
- C15✓
- D20
Answer: Area = length × width = 5 × 3 = 15.
What is the perimeter of a square with side length 4?
- A8
- B12
- C16✓
- D20
Answer: Perimeter = 4 × side = 4 × 4 = 16.
What is the area of a triangle with base 6 and height 4?
- A10
- B12✓
- C15
- D24
Answer: Area = (base × height) / 2 = (6 × 4) / 2 = 12.
What is the area of a square with side length 6 cm?
- A36✓
- B24
- C12
- D30
Answer: Area of a square is side x side: 6 x 6 = 36 cm2. 24 is the perimeter, which is the distance all the way round.
A rectangle has an area of 24 cm2 and a length of 6 cm. What is its width?
- A18
- B4✓
- C12
- D8
Answer: Area = length x width, so width = area divided by length: 24 / 6 = 4 cm. 18 is what you get by subtracting instead of dividing.
What is the perimeter of a rectangle with length 7 and width 3?
- A10
- B15
- C20✓
- D21
Answer: Perimeter = 2(length + width) = 2(7 + 3) = 2 × 10 = 20.