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OpenStudy (anonymous):
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OpenStudy (anonymous):
A for the first one yes http://www.wolframalpha.com/input/?i=2*1.5^2*pi%2B20*pi*3
OpenStudy (anonymous):
lol you always get these right
OpenStudy (anonymous):
A for the last one
OpenStudy (anonymous):
like you said, smarty
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OpenStudy (anonymous):
:) You see that wasn't so hard!? @satellite73 Did you just guess on the last one? lol
OpenStudy (anonymous):
no i did not the area goes with the square since on radius is twice the other the corresponding area is four time the other
OpenStudy (anonymous):
ok actually i did guess
OpenStudy (anonymous):
-.- @amistre64 May you check my answer please ?
OpenStudy (anonymous):
just kidding dear it is right
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