The length of a rectangle is twice its breadth if its length is decreased by 5cm and breadth is increased by 5cm, the area of the rectangle is increased by 75 sq cm. Find the length of the rectangle.
A) 30
B) 40
C) 50
D) 60
Answers
Answered by
1
40 pls mark brainliest
Answered by
0
answer is b 40
check
l=40
b=40/2=20
initial area=40*20 which is 800
new
l=40-5=35
b=20+5=25
new area=35*25=875
new area -initial area should be 75
lets check
875-800=75
check
l=40
b=40/2=20
initial area=40*20 which is 800
new
l=40-5=35
b=20+5=25
new area=35*25=875
new area -initial area should be 75
lets check
875-800=75
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