Math, asked by umairhusaini4503, 1 year ago

The numerical difference between circumference and diameter is 30cm. What is radius of the circle?

Answers

Answered by prisha1809

circumference = 2πr
diameter= 2r
circumference - diameter = 30
2πr - 2r = 30
2r( π-1) = 30
r( π-1) = 15
r*2.14 =15
radius = 15/2.14= 7.00 cm ( approx )

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