Question

Q7. Find the area of a semi-circle with a radius 15 cm. (π= 3.140)

Answer 1

Answer:

pie r ^2 / 2

3.140× 125 / 2

196.25

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Answer 2

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Answer

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TSA of circle = 2πr(r+h)

T.S.A. = 2×3.140×(15+h)

Through this formulae u easily find the answer

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