Find the cost of polishing a circular table-top of diameter 1.6m , if the rate of polishing is Rs 15/m2
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Answer:
Radius of table = 0.8m
Area of table = πr² = 3.14*(0.8)² = 2.0096m²
Cost of polishing = 15*2.0096 = 30.14 rs
Step-by-step explanation:
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Area of circle is given by πr²
Diameter is 1.6m
Radius = 0.8m
Area of circle = πr²
= (3.14)(0.8)²
=> 2.0096 m²
➡15 × 2.009 = 30 Rs
30 rs is the cost for polishing.
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