Question

plz answer fast guys​

Answer 1

We know that

Circumference of circle = 2πr

= 2r × π

Now, diameter is equal to twice the radius

= 2r

Or,

D = 2r

therefore, circumference of the circle is

= 2r × π

= D × π

= πD

1/2 2πD is also the answer as 2 and 2 gets cancelled out leaving πD

this is your answer.

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Answer 2

Answer:

½ 2πd

Step-by-step explanation:

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