WAEC Mathematics 2022 Question 26

Question 26

Mensuration of Plane Shapes

The length of a rectangle is 10cm. If its perimeter is 28cm, find the area.

  1. A.30cm2
  2. B.40cm2
  3. C.60cm2
  4. D.80cm2
Show the answer and explanation

Answer: B (40cm2)

Explanation

Length + width = 14, so width = 4 cm and area = 10 × 4 = 40 cm2.