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6).From a circular sheet of radius 4 cm,...

6).From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet. (take `pi=22/7`)(7).Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m. Find thelength of the lace required and also find its cost if one meter of the lace costs ₹15.(take `pi=22/7`)

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Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m. Find the length of the lace required and also find its cost if one meter of the lace costs Rs15. (take pi=3.14 )

Saima wants to put a lace on the edge of a circular table cover of diameter 1.5m. Find the length of the lace required and also find its cost if one meter of the lace costs Rs15. (take pi=3.14)

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