find the cost of polishing a circular pan of a diameter 28cm at a rate of cost 12.50 per sq.cm
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Answer:
₹7700
Step-by-step explanation:
Area of circular pan = π(d÷2)²
=22/7 X (28/2)²
= 22/7 X 14²
= 22/7 X 196
= 22 X 28
= 616sq.cm
Cost = ₹12.50 X 616
= ₹ 7700
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