if area of circle numricle double its perimeter find the radius of circle 4units

Asked by sohamsuryawanshi7824 | 22nd Sep, 2020, 06:29: AM

Expert Answer:

Let "r" be the radius of the circle
According to the question,
Area of a circle = 2 x Perimeter of a circle
πr squared equals 2 cross times 2 πr
rightwards double arrow straight r equals 2 cross times 2
rightwards double arrow straight r equals 4

Answered by Renu Varma | 22nd Sep, 2020, 11:48: AM