Question

Q. 8. If circumference of a circle is
154cm then find its diameter?​

Answer 1

Step-by-step explanation:

given

circumference=154cm

first finding radius

circumference of a circle=2πr

154=2×22/7×r

154×7/44=r

1078/44=r

24.5=r

radius=24.5

diameter=2×radius.

=2×24.5

=49...

hence diameter is 49 cm..

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