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OpenStudy (anonymous):
HELP ME PLEASE! (Will Medal!!!) Question: http://prntscr.com/76hdxs
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OpenStudy (anonymous):
OpenStudy (skullpatrol):
Any ideas? Recall the formula for the circumference of a circle is: C = Pi•D
OpenStudy (skullpatrol):
Sorry, you don't even need the formula :( You just need to know the definition of what "circumference" means.
OpenStudy (skullpatrol):
Circumference is the word used for the distance around the perimeter of a circle. The question asks for the distance around have of the circle or the "semi"-circle.
OpenStudy (skullpatrol):
around half* of the circle
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OpenStudy (skullpatrol):
If 30 m is the whole circle, then how much is half of the circle?
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