Question

How to find the radius of a circle without a diameter?

Answer 1

Using circumference of the circle

Explanation:

If diameter of circle is not given and we know the value of its circumference, radius of the circle can be obtained.

`C = 2\pi \: r \\ \\ \therefore \: r = (C)/(2\pi) \\`

Answer 2

√Aπ

Explanation:

To find the radius of a circle with the area, you use this formular=√Aπ