the circumference if circle exceeds the diameter by 30 cm find the radius of the circle
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the circumference if circle exceeds the diameter by 30 cm find the radius of the circle
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Answer:
Circumferene of circle = 2πr
given, circumference exceeds its diameter by 30 meters
i.e, 2πr = d+30. But, diameter(d) = 2r
2πr = 2r+30 => 2r(π-1) = 30 => r((22/7)-1) = 15
r = 15*(7/15) = 7cms
Step-by-step explanation:
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Answer:
Given:
Solution:
Using the relation: