Question

class 7th worksheet ...
1. the perimeter of a rectangle is equal to that of a square with side 13 m . if the rectangle is 16 cm long, what is its breadth ?​

* formula = perimeter of rectangle = 2×(L + b) .
2. perimeter of square =4×( length of one side )​

Answer 1

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Answer 2

2(l+b)=4×S

2(16+b)=4×13

32+2b=52

2b=52-32

2b=20

b=20/2=10m