the circumference of a circleis 31.4 find the radius and the area of the circle (take pi 3.14)
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3
2pie. r=31.4 so, r= ?
pie r -square = ?
pie r -square = ?
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4
circumference=31.4=π r2
3.14=2(3.14)r
31.4=6.28r
31.4/6.28=6.28r/6.28
5=r
radius=5
Area= πr2
area = 78.54
3.14=2(3.14)r
31.4=6.28r
31.4/6.28=6.28r/6.28
5=r
radius=5
Area= πr2
area = 78.54
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