Question

the length of rectangle is twice its bredth if the perimeter is 90 m find the length and breadth of the rectangle​

Answer 1

15m =b

Step-by-step explanation:

Let the breadth be 'b'

The length of rectangle will be '2b'

Perimeter of rectangle= 2(L+B)

Perimeter of rectangle=2(b+2b)

Perimeter of rectangle=2(3b)

Perimeter of rectangle=6b

90=6b

90/6=b

15m =b

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