If the circumference of a circular sheet is 154 m, find its radius. Also find the area of the sheet. (Take π = 22/7)
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Answer:
Circumference of the circular sheet=154m
⇒2πr=154m
⇒r=
2π
154
⇒r=
2×22
154×7
=24.5m
Now, Area of circular sheet=πr
2
=
7
22
×24.5×24.5
=22×3.5×24.5=1886.5m
2
.
Thus, the radius and area of circular sheet are 24.5m and 1886.5m
2
respectively.
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