Question

Perimeter = 32 m and length = 7m then breadth = ?

1) 14 m
2) 7 m
3) 9 m
4) 16 m

Plz ans fast​

Answer 1

$perimeter \: of \: rectangle = 2(l + b) \\ 32 = 2(7 + b) \\ 16 = 7 + b \\ 9 = b$

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Answer 2

perimeter of rectangle

2 ( l + b ) = 32

2 ( 7 + b )= 32

b + 7 = 32/2

b + 7 = 16

b = 16 - 7

b = 9m