Find the cost of cementing a verandah of width 80 cm to be constructed all along outside of a rectangular room of dimensions 8 m * 6 m at the rate of rs 5 per meter square?
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Answer:
.Area I) Ixbx2 = 9.6 x0.8x2=15-36 m2
(I=8+0.8x2=9.6m, b = 0.8m)
2) Area = Ixbx2=6xo.8x2 = 9.6m2
(I=6, b = 0.8m)
Total area=15.36 +9.6=24.96m2
cost@5= Rs 124.80. Ans
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