The correct answer is [D]
- Perimeter = 2 ( L + w)
= 2 [7 + w] = 56
14 + 2w = 56
2w = 56 -14
2w=42
w=21
The other length is 21 m
- Area = L x W
= 7 x 21
= 147m2
Wilfykil answered the question on July 31, 2019 at 06:17
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