the cost of plastering a square wall at the. rate of 24 Rs. per sq m 3456Rs find the length of each side of the wall.
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Answer:
areaofwall=
costperm
2
totalcost
= \frac{3456}{24}=
24
3456
= 144 {m}^{2}=144m
2
\rm{area \: of \: square \: wall = 144 {m}^{2} }areaofsquarewall=144m
2
\rm{ {side}^{2} = 144 {m}^{2} }side
2
=144m
2
\rm{side = \sqrt{144} m}side=
144
m
\rm{side = \sqrt{12 \times 12} }side=
12×12
\rm{side = 12m}side=12m
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