Question

If the circumference of a circle exceeds its diameter by 15 cm, then the diameter of the circle is ​

Answer 1

Answer:

Let the diameter of the circle be d.

Thus, circumference is πd

Given

πd−d=15

⇒d(π−1)=15

⇒d(227−1)=15

⇒d(157)=15

⇒d=7cm

So, circumference πd=22cm

Was this answer helpful?

upvote

8

downvote

14