Question

Find the cost of tin required to make a cuboid of dimensions 18 m x 15 mx 6 m. Given, the cost
of tin is 20 per m2.
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Answer 1

Step-by-step explanation:

TSA OF A CUBOID IS 2(LH+BH+LB)

TSA IS 2(18×6+15×6+18×15)

TSA= 2(108+ 90 + 270)

= 738 m2

cost = 738×20

= 1278 rupees