Mrs sulekha wants to make a circular grass bed in her garden. If the cost of leveling the ground is rupees 18 per sq. m, find the amount she has to spend to make a circular grass bed of diameter 7 m.
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area of grass bed = π r^2
r = 7/2
r^2 = 49/4
area = 22*49/7*4
77/2 = 38.5 m^2
amount of leveling.= 693rs
r = 7/2
r^2 = 49/4
area = 22*49/7*4
77/2 = 38.5 m^2
amount of leveling.= 693rs
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