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Find the radius of a circle given that the area is three times its circumference

User Chrisanthi
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1 Answer

6 votes

Answer:

Radius of the circle = 6 units

Explanation:

Let the radius of the circle be r

According to the given condition:

Area of the circle = 3 times the circumference of the circle


\therefore \pi r^2 =3* 2\pi r\\\therefore r^2 = (3* 2\pi r)/(\pi)\\\therefore r^2 = 3* 2r\\\therefore r = 6\: units\\

User Enoyhs
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