Find the circumference of the circle with the given radius or diameter. (use 3.14 for π.) radius = 30 cm a. 188.4 cm b. 94.2 cm c. 2,826 cm d. 11,304 cm

a. 188.4 cm

Step-by-step explanation:

We know that the circumference of a circle is given by :_

, where r is the radius of the circle.

Given : The radius of the circle : r= 30 cm

Then , the circumference of the circle is given by :-

Hence, the circumference of the circle = 188.4 cm

answer

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step-by-step explanation:

explanation:

previous steps have made pa≅ pb ≅ st ≅ su. setting the compass width to ab allows you to make tu the same length. then δstu ≅ δpab by the sss congruence postulate, and ∠p ≅ ∠s by the reason cpctc.