find the area of the path 3.5m wide around a circular water pool of diameter 21 cm
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Answer:
area of path = area of larger circle - area of smaller circle
area of path = (π×R×R) - (π×r×r)
= (22/7×24.5×24.5)-(22/7×21×21) sqcm
= 1886.5 - 1386 sqcm
= 500.5 sqcm
Step-by-step explanation:
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Answered by
2
Answer:
area of path = area of larger circle - area of smaller circle
area of path = (π×R×R) - (π×r×r)
= (22/7×24.5×24.5)-(22/7×21×21) sqcm
= 1886.5 - 1386 sqcm
= 500.5 sqcm
Step-by-step explanation:
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