3 years ago

A. 9x+8 B. 18x C. 18x+16 D. 9x

2 answers:

6 0

Answer:

A. THERERREREEHUGGG HHHU

6 0

Step-by-step explanation:

Length = 5x +4

Breadth = 4x-4

Perimeter = 2(L+B)

Perimeter :

$2(5x + 4 + (4x - 4)) \\ 2(5x + 4 + 4x - 4) \\ 2(5x + 4x + 4 - 4) \\ 2(9x) = 2 \times 9x$

$= 18x$

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