Question

The breadth of a rectangle is 4/5 of its lenght. If the perimeter is 180 m, then find the area of rectangle​

Answer 1

Answer:

p =2(l+b)

let the length =x

180=2(4/5x + x)

2(4+5/5 x)

180 =2*9/5 x

180 *5/9 =2x

100 =2x

100/2 = x

50 = x

area =l*b

50 *4/5*50

2500*4/5

=2000 m²

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