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OpenStudy (anonymous):
Suppose the diameter of a circle is 8. What is its area?
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OpenStudy (study_buddy99):
I'm going to recommend you listen to this song: In the meantime, \[\pi*r^2\]
OpenStudy (study_buddy99):
I'll post the song in a second...
OpenStudy (study_buddy99):
so back to the problem: diameter is all the way across and radius is half way|dw:1456204844812:dw| so pi=3.14 and your radius is 4 (half of 8) and 4^2= 16 because 4*4=16 so finally take 3.14*16=50.24 (your answer) any questions?
OpenStudy (study_buddy99):
https://www.youtube.com/watch?v=-z4SUypJZxo this song willl help SOO SOO much
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