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Mathematics 7 Online
OpenStudy (anonymous):

Imma post it after this since I have to draw a pic(:

OpenStudy (anonymous):

|dw:1380932699106:dw| Find the length of the fan belt (see figure). The radii of the circles are 2 and 4 respectively. CDE Intersect (or is it something else? I don't know, but its an upside out T) FDG a- 6+9pi b- 12+9pi c- 12+12pi d- 6+12pi e- 24+9pi

OpenStudy (primeralph):

|dw:1380933733242:dw|

OpenStudy (anonymous):

Yeah!

OpenStudy (primeralph):

It means "perpendicular" or "at right angles" |dw:1380933764632:dw|

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