Question

A. 9x+8

B. 18x

C. 18x+16

D. 9x

Answer 1

18x

Explanation:

Length = 5x +4

Breadth = 4x-4

Perimeter = 2(L+B)

Perimeter :

`2(5x + 4 + (4x - 4)) \\ 2(5x + 4 + 4x - 4) \\ 2(5x + 4x + 4 - 4) \\ 2(9x) = 2 * 9x`

`= 18x`

Answer 2

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