Circumference =16.5,Radius=?
Answers
Answered by
38
circumference of circle = 2 × pi × r
16.5 = 2 × 22/ 7 × r
16.5 × 1/2 × 7/22 = r
2.6 = r.
16.5 = 2 × 22/ 7 × r
16.5 × 1/2 × 7/22 = r
2.6 = r.
Answered by
4
(ㅠ= 22/7)Cirucumference =2ㅠr
16.5 =2×22/7×r
16.5 =44/7×r
16.5×7/44=2.65
Ans:2.65
(ㅠ=3.14)
Same formula
2ㅠr= 16.5
2×3.14×r =16.5
6.28×r =16.5
r=16.5 ÷6.28
r=2.627
Ans:2.627
16.5 =2×22/7×r
16.5 =44/7×r
16.5×7/44=2.65
Ans:2.65
(ㅠ=3.14)
Same formula
2ㅠr= 16.5
2×3.14×r =16.5
6.28×r =16.5
r=16.5 ÷6.28
r=2.627
Ans:2.627
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