Question

Q.10 of the perimeter and the area of a circle are numerically equal, then find the radius of the circle.
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Answer 1

Given

perimeter=area

2πr=πr²

2r=r²

r²-2r=0

r(r-2)=0

r=0 or r=2

Answer 2

Answer:

perimeter of circle = area of circle

2πr = πr²

2 = πr²/πr

2 = r

hope it helped you.......