Question

find the cost of polishing a circular table top of diameter 2.1 metre if the rate of policy is rupees 10 per metre square by taking 522 57 the answer is Rs =34.65 So what is the process . Very urgent

Answer 1

r= d/2
= 2.1/2
area of circular table= pai r^2
= 22/7×2.1/2×2.1/2
= 22×0.3/2×2.1/2
= 11×0.3×2.1/2
= 3.465 m^2
cost of 1 m^2= 10 rs
cost of 3.465m^2= ( 3.465×10)rs
= 34.65rs

Answer 2

Step-by-step explanation:

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