The circumference of a circle exceeds the diameter by 30 cm. Find the radius of the circle.
Answers
Answered by
8
Circumference - Diameter = 30
=> 2 pi r - 2r = 30
=> 44r/7 - 2r = 30
=> (44r- 14r) / 7 = 30
=> 30r/7 = 30
=> r = 30 * 7 /30
=> r = 7
Radius of circle = 7 cm
=> 2 pi r - 2r = 30
=> 44r/7 - 2r = 30
=> (44r- 14r) / 7 = 30
=> 30r/7 = 30
=> r = 30 * 7 /30
=> r = 7
Radius of circle = 7 cm
Answered by
2
Circumference - Diameter = 30
=> 2 pi r - 2r = 30
=> 44r/7 - 2r = 30
=> (44r- 14r) / 7 = 30
=> 30r/7 = 30
=> r = 30 * 7 /30
=> r = 7
Radius of circle = 7 cm
hope it helped ⚡
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