Answers

2014-06-10T21:48:21+05:30
12*20 is 240 & 16*24 is 384 now subtract 240 from 384 and you will get 124msq.as the answer
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For doubt please comment
pls subtract again
Oh yes i am sorry it will be 144 please forgive me
its kk
2014-06-11T10:34:52+05:30
Surface area of inside:- l*b = 20*12 = 240
S.A of whole pool= 20(2+2)*12(2+2) = 24*16 = 384.
S.A = whole S.A - inside =384-240=144 sq.m

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