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OpenStudy (anonymous):
Calculate the area of the sector bounded by DQ, EQ, and arc DE. Picture: http://ce.byu.edu/courses/hs/GEOM-043-101/secure/imgs/math10-1721.gif
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OpenStudy (anonymous):
DE is 6pi and circle Q is 225 pi, if I've calculated right.
OpenStudy (anonymous):
lose the triarc, which is 72/360 of the area.
OpenStudy (anonymous):
The area of...?
OpenStudy (anonymous):
360/360 is the circle and the triarc is 72/360
OpenStudy (anonymous):
gotcha... So I have 141.37 as sector area but my options are: a. 6pi b. 10.8pi c.45pi d. 72pi ...?
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OpenStudy (anonymous):
72/360 * 225 pi is?
OpenStudy (anonymous):
141.37
OpenStudy (anonymous):
AHA! Figured it out. Thanks for the help :)
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