If the circumference of a circle exceeds its diameter by 30cm,find the radius of the circle.
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d=2r
2r+30=2*22/7*r
2r=44r/7-30
r=44r-210/14
14r=44r-210
-30r=-210
30r=210
r=7
therefore radius is 7cm
2r+30=2*22/7*r
2r=44r/7-30
r=44r-210/14
14r=44r-210
-30r=-210
30r=210
r=7
therefore radius is 7cm
Sujay2609:
Thnks a lot
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