Question

if the difference between the circumference and the radius of a circle is 37 CM then length of the radius is

Answer 1

Given

Circumference - Radius = 37 cm


To find, The radius of the circle.


Solution :-

Let the radius be r

We know that, circumference of circle = 2πr

Hence,

2πr - r = 37 cm

Taking r common, we get

r(2π - 1) = 37

Putting value of π as 22/7,

r(2 × 22/7 - 1) = 37

=> r(44/7 - 1) = 37

=> r(44/7 - 7/7) = 37

=> r(37/7) = 37

=> r = 37 × 7/37

=> r = 7 cm


Answer :- 7 cm

Answer 2

HEY GUYS HERE IS YOUR ANSWER


$2\pi r - r = 37 \\ r(2\pi - 1) = 37 \\ r = 37 \div (2\pi - 1) \\ r = 37 \div (2 \times 3.14 - 1) \\ r = 37 \div 5.28 \\ r = 7.0075cm$
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