Question

The circumference of a circle is 40 CM more than its diameter. Calculate the radius of the circle ​

Answer 1

Step-by-step explanation:

Let the diameter of the circle be xcm

Therefore,its radius will be x/2cm

Circumference = 2×pi×r=40

or,2×22/7×x/2=40

or,22/7×x=40

or,x=40×7/22

Therefore, radius =x/2

=40×7/2×22

=6.36cm

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