Question

if the circumference and the area of a circle are numerically equal,find the diameter of the circle
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Answer 1

Answer:

here is ur answer

Step-by-step explanation:

circumferance=2*pi*r

area=pi*r^2

equating both we get

r^2=2r

So the radius will be 2

So diameter will be 4

Answer 2

Answer:

Given: Circumference of circle = Area of Circle

To find: Diameter=?

So, we know that

Circumference of circle = 2πr

Area of Circle πr²

(where r is radius)

So,

Circumference of circle = Area of Circle

2πr = πr²

[π and π cancels, r and r² cancels and r left]

2 = r

we can write it as r = 2

Now,

Diameter, D = 2×r

D = 2×2

D = 4

(where D is diameter)

Therefore, diameter is 4 units

Hope you may get it

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