If the circumference of a circular sheet is 154 m, find its radius. Also find area of the sheet. (Take π =22/7)
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circumference of a circle = 2πr
2πr = 154
2×22/7×r = 154
2×22×r = 154×7
r =154×7/2×22
r = 49/2
r= 24.5m
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Circumference of the circular sheet = 154m
⇒2πr = 154m
⇒r = 2π/154
⇒r = 154×7/2×22 = 24.5m
Now, Area of circular sheet = πr² =22/7×24.5×24.5 =22×3.5×24.5 = 1886.5m²
Thus, the radius and area of circular sheet are 24.5m and 1886.5m² respectively.
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