The dimensions of a cuboidical box are 6m×4m×1.5m. find the cost of painting its entire outer surfaces at the rate of Rs.22 per m
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Answer:
₹1716
Step-by-step explanation:
TSA of cylinder = 2 ( 6 × 4 + 4 × 1.5 + 1.5 × 6)
= 2 ( 24 + 6 + 9)
= 2 × 39
= 78
Cost = 22 × 78
= 1716
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