A box without lid is in the form of a cuboid.Its dimensions are 1.3m by 0.75 by 0.2m. Find the cost of painting its outer surface if the rate of painting is 15.00 per square metre
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area=2h (I+b) +Ib
2xo.2(1.3+o.75) +1.3xo. 75
0.4x2.05+0.975
o.820+0.975=1.795m2
cost of painting=1.795x15 = Rs26.93
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