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Let r be the radius of the circle then, Perimeter = 2 πr and Area = πr 2 It is given that Perimeter of circle = Area of circle ⇒ 2πr = πr 2 ⇒ r = 2 units Hence, right option be (A): 2 units.

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Let r be the radius of the circle then,
Perimeter = 2 πr
and Area = πr²It is given that
Perimeter of circle = Area of circle
⇒ 2πr = πr²⇒ r = 2 units
Hence, right option be (A): 2 units.

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Short Answer Type

5. Tick the correct answer in the following: If the perimeter and the area of a circle are numerically equal, then the radius of the circle is(A) 2 units (D) π units(C) 4 units (D) 7 units.

5.
Tick the correct answer in the following: If the perimeter and the area of a circle are numerically equal, then the radius of the circle is
(A) 2 units (D) π units
(C) 4 units (D) 7 units.