Question

What is the perimeter of a rectangle whose length is twice the width? Width = 7 cm.

Answer 1

P = 42 cm

Explanation:

The perimeter (P) is the sum of the 4 sides of the rectangle with opposite sides being congruent.

Given width = 7 cm then length = 2 × 7 = 14

P = 7 + 7 + 14 + 14 = 42 cm

Answer 2

42 cm is the perimeter

Explanation:

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