Fewpal
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in Mathematics by (127k points)

Tick the correct answer 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) pi units 

(C) 4 units 

(D) 7 units

1 Answer

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Best answer

Let radius of the circle =r

if perimeter = area
2πr=πr²
2r =r²----(1)
if r=2
2*2 =2²
4=4

So, correct option is (A) r = 2 units

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