Question

If the area of a circle is numerically equal to twice
its circumference, then the diameter of the circle is
(a) 4 units
(b) π units
(c) 8 units
(d) 2 units​

Answer 1

Step-by-step explanation:

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Answer 2

Since the perimeter of the circle = area of the circle,

2πr = πr2

Or, r = 2

So, option (A) is correct i.e. the radius of the circle is 2 units.