Question

perimeter of rectangle is 38 M and length is 15 M find the breadth of rectangle

Answer 1

perimeter=38m

length=15

breadth=??

2(l+b)

38=2(15+b)

38/2=15+b

19=15+b

b=19-15

b=4m

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Answer 2

perimeter of rectangle is 2(l+b)
= 38. = 2(15+x)
=38. = 2×15x
=38= 30x
= x. = 38÷30
= × = 19/5