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January 25, 2015

January 25, 2015

Posted by **Lisa** on Monday, March 28, 2011 at 2:23pm.

- trig -
**Reiny**, Monday, March 28, 2011 at 4:36pmArea of whole circle = π(12^2) = 144π

π/4 radians = 45° or 1/8 of a circle

so the area of your sector = 144π/8 =56.55

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