Question

Find the total cost of painting all the sides of a cube of edge 4.2cm at the rate of rs 1.50per cm2

Answer 1

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Answer 2

Answer:

Step-by-step explanation:

given, side=4.2 cm

TSA=6a^2 [a=4.2]

      =6× 4.2×4.2

      =105.84cm²

cost of painting per cm²=rs 1.50

cost of painting the sides of cube= 105.84×1.50

                                                         = Rs 1587.60

hope it is correct