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OpenStudy (anonymous):
A railroad crossing sign is a circle with a diameter of 30 in. The manufacturer makes 6 railroad crossing signs from the sheet of aluminum by arranging the signs as shown. About in2 of aluminum is left over after the signs have been made. (Enter only the number rounded to the nearest square inch.)
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OpenStudy (anonymous):
1159
OpenStudy (anonymous):
when i tried putting that i got it wrong
OpenStudy (wolf1728):
Is there a graphic?
OpenStudy (anonymous):
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