If the length of a rectangle is increased by 8 m its area increases by 72 sq.m. the breadth of the rectangle is?
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let the breadth be b
let the length be l
area= lb
then, length increase by 8m= l+8m
breath be b
area = b( l+8m)
= lb+8b
A/q
lb +72= lb +8b
8b =72
b = 9
Hope it help you.
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let the length be l
area= lb
then, length increase by 8m= l+8m
breath be b
area = b( l+8m)
= lb+8b
A/q
lb +72= lb +8b
8b =72
b = 9
Hope it help you.
please mark me as brillance and follow me.....
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