Question

The length of a rectangle is 4 times the breadth of rectangle . If perimeter of rectangle is 100 cm , then find the length and breadth of rectangle.

Answer 1

breadth if rectangle=b
then,length=4×b
it's perimeter=100cm
2×(l+b)= 100cm
2×(4b+b)=100cm
5b=100cm÷2
5b=50cm
b=10cm
since,l=4×b
=4× 10cm
= 40cm

Answer 2

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