Question

When the circumference and area of a circle are numerically equal, what is the diameter numerically equal to?

(a) Area

(b) Circumference

(c) 271

(d) 4

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Answer 1

Step-by-step explanation:

d)4

Circumference=2πr

area=πr²

as per question..

2πr=πr² == 2=r

so r=2 from above equation

so, diameter=2r

therefore, diameter=4

r=Radius

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