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Multiple choice

The area of a rectangle is 42 sq. cm and its length is 7 cm. Find its perimeter.

  1. 14

  2. 21

  3. 26

  4. 24

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Area = length × width, so 42 = 7 × width, giving width = 6 cm. Perimeter = 2 × (length + width) = 2 × (7 + 6) = 26 cm. This requires finding the missing dimension first.

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