Question

find the circumference and the area of circle are numerically equal then find its diameter​

Answer 1

Answer:

Let the radius of the circle be r units.

Perimeter of the circle = 2πr units

Area of the circle = πr2 sq units

Numerical value of area of the circle = Numerical value of perimeter of circle

So, πr2 = 2πr

⇒ r = 2

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Answer 2

Circumference of the circle = Area of the circle

2πr =πr²

2r = r²

2 = r/r²

2=r

r = 2 units

Radius of the circle, r = 2 units

Diameter of the circle, d = 2 x radius

d = 2r

d = 2 x 2

d=4 unit

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