The percentage increase in the area of a rectangle , if each of its sides is increased by 20%, is :
Created: 6 years ago |
best des
Let,
one side of Rectangular is 100 m
The other side of Rectangular is 200 m
So, Present Area is = 100X200=20000 m2
if increase 20% of both side of rectangular.
Then, one side of Rectangular is= 100 + = 120 m
Other side of Rectangular is = 200 + = 240 m
After increasing the Rectangular area is = 120× 240 = 28800 m2
increasing the Rectangular area is = 28800 - 20000 = 8800 m2
So, % of increasing area is = = 44%
Ans: 44%.
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