Find the cost of polishing a circular tabletop of diameter 2.8 m,
if the rate of polishing is Rs 100 / m2
.
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Step-by-step explanation:
m² is referred to the area of circle
so first find area
area= €r²
22/7×1.4×1.4
6.16m²
rate of polishing=100×6.16=₹616
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