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OpenStudy (anonymous):
OpenStudy (thecalchater):
ok so if the sides are 8 what is the radius of the circle?
OpenStudy (anonymous):
4
rebeccaxhawaii (rebeccaxhawaii):
calculate the square area first
then find the semi circles area
add them together
then subtract the both semi circle areas from the square
to get shaded area
OpenStudy (anonymous):
I was asking my teacher for help (she was no help) and she said I need to find the area of the Whole area, and then subtract the unshaded area
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OpenStudy (thecalchater):
ok now do like rebecca said.
OpenStudy (anonymous):
Okay well since its a square its A=bh , so A=(8)(8) since all sides are congruent so 64 is the square area
OpenStudy (anonymous):
Ummm then I can take C= pi * d , So C= 8 pi
OpenStudy (anonymous):
and then I have 64 - 8pi is 38.9?
OpenStudy (anonymous):
Oh wait do I need to have 16 pi?
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OpenStudy (anonymous):
Help! idk which to do T^T
OpenStudy (mathmagician2201):
Hmm.
OpenStudy (anonymous):
Idk .......I'll just figure it out myself
OpenStudy (anonymous):
I got 13.7ft^2 as an answer ..so I'm gonna go with that