The radius of the circle is 4 cm. (The radius is half of the diameter) To find the exact circumference of a circle, you don't multiply by pi. So take off the pi, 2 x 4 = 8
Now you add the pi symbol back on, 8π
You have your answer!
Answer from: Quest
Google it that might work
Answer from: Quest
answer: i'm great at algebra
~coco
step-by-step explanation:
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