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Question

A square has a side of 8 cm
The area of the square increase by 50%
Work out of percentage increase in the length of the side.

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Solution

square of side 8 cm
Area of square increase 50%
percentage increase in length of side,
Area of square = l2
=(8)2
=64
Area increase 50%
So, A1=64+50100×64
=64(1+12)
=64×32
new lengths A1=l2
64×32=l2
L2=64×32
L=8.32
percentage increase in length
=Lll=83288×100
=(321)×100
=0.2247×100
=22.47%

1131851_1249805_ans_d9dff9366bf44104b00343fa4222fa08.jpg

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