The area of rectangle gets reduced by 9 square units , if it length reduced by 5 units and breadth is increased by 3 units . If we increase the length by 3 units and the breadth by 2 units , the area Increase by 67 square units. Find the dimension of the rectangle.
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Answered by
21
length =17
breadth = 9
breadth = 9
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Let length be l and breadth be b
Area
Atq
(l-5)(b+3)=lb+3l-5b-15=lb-9
3l-5b=6.......(1)
(l+3)(b+2)=lb+2l+3b+6=lb+67
2l+3b=61......
From eq (1) and (2),we have
19b=171
b=9
l=17(from eq 1)
Area
Atq
(l-5)(b+3)=lb+3l-5b-15=lb-9
3l-5b=6.......(1)
(l+3)(b+2)=lb+2l+3b+6=lb+67
2l+3b=61......
From eq (1) and (2),we have
19b=171
b=9
l=17(from eq 1)
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