Question

A cuboidal box of dimensions 1 m × 2 m × 1.5 m is to be painted except its bottom. per
Calculate how much area of the box has to be painted. If the cost of painting is Rs. 5 m², then find the total cost.​

Answer 1

Step-by-step explanation:55

Area to be painted = C.S.A + area of top

2(l+b)×h + l×b

2(1+2)×1.5 + 1×2

3×3 + 2 = 11 m2

cost = 5×11 = 55

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