Free practice on Areas and Perimeters for Class 4, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.
A rectangle is 8 m long and 5 m wide. What is its area in square metres?
Write your answer, then check below.
Answer:
Area = length × width = 8 × 5.
A square has sides of 6 cm. What is its perimeter in cm?
Write your answer, then check below.
Answer:
Perimeter = 4 × 6 = 24 cm.
A rectangle is 9 m long and 4 m wide. What is its perimeter in metres?
Write your answer, then check below.
Answer:
Perimeter = 2 × (9 + 4) = 26 m.
A square farm has sides of 10 m. What is its area in square metres?
Write your answer, then check below.
Answer:
Area = 10 × 10.
The area of a triangle is:
Answer: B. ½ × base × height
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