A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length a

Question

A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?

Options:

A . 12 m, 10 m

B . 13 m, 12 m

C . 14 m, 11 m

D . 15 m, 10 m

Answer: Option D

lb = 150

2(l + b) = 50 => l + b = 25

l “ b = 5

l = 15 b = 10

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