Math, asked by brarbrar059, 1 year ago

The circumference of a circle exceeds the diameter by 30 cm. Find the radius of the circle.

Answers

Answered by gaurav2013c
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
Answered by ɪᴛᴢᴛʀᴀɢɪᴄɢɪʀʟ
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 ⚡

braínlíest please ❤️

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