if two pies have a diamer of 15
another(1 big) pie as the same amount of crust as the 2 small pies find the diameter of the big pie
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OpenStudy (anonymous):
Do all three of the pies have crust of the same thickness
OpenStudy (waheguru):
yea
OpenStudy (waheguru):
could??
OpenStudy (waheguru):
-_-
OpenStudy (waheguru):
thx for trying
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OpenStudy (nottim):
Find the circumference of the small pie, and multiply that by 2. You got your circumference for the big pie.
OpenStudy (nottim):
Now, you can work backwards with the big pie by subbing in the circumference and figuring out the diameter.
OpenStudy (waheguru):
yea i think that would be right because the answers are something else but they might hhave assumed the crust as the whole area know what i mean???
OpenStudy (nottim):
Goddarnit. Crust is the WHOLE AREA.
OpenStudy (nottim):
Ok. Figure out the area of one small pie. Multiply that by 2. There's your area for the big pie, so work backwards from that, using the area, and working in reverse order to find the diameter.
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