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If the perimeter and the area of a circle are numerically equal, then the radius of the circle is (A) 2 units (B) π units (C) 4 units (D) 7 units

Areas Related to Circles

Last Post by Samar shah 4 years ago

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23/06/2021 11:00 am

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Satkriti Roao

(@satkriti-roao)

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Tick the correct Solution in the following and justify your choice :

If the perimeter and the area of a circle are numerically equal, then the radius of the circle is

(A) 2 units

(B) π units

(D) 7 units

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class 10 cbse ncert areas related to circles

1 Answer

23/06/2021 11:01 am

Samar shah

(@samar-shah)

Noble Member

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Correct option: (A) 2 units

Explanation:

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

2πr = πr²

Or, r = 2

The radius of the circle is 2 units.

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If the perimeter and the area of a circle are numerically equal, then the radius of the circle is (A) 2 units (B) π units (C) 4 units (D) 7 units

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