Mathematics, 18.07.2019 00:00, board1692
The area of a circle is 16pi cm2. what is the circle's circumstance? 2pi cm4pi cm8pi cm16pi cm
Answers: 1
. We have the area so we need to use it to solve for the radius which we will then use in the circumference formula. 
. Divide both sides by pi to get 
. Of course the simplification of the left side gives us 
and r = 4. Now fill that in to the circumference formula, which is 
, to get C
which is a circumference of 
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The area of a circle is 16pi cm2. what is the circle's circumstance? 2pi cm4pi cm8pi cm16pi cm...
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