Homework Help: Math- HELP

Posted by MK on Thursday, December 2, 2010 at 5:56pm.

There is a triangle inside of a circle. I have to find area of the shaded region which is the circle. So i would have to substract the area of the triangle from the area of the circle.

the radius of the circle is 3 inches.
I found the area of the circle..it is 28.27 in.^2

I am given the three angles of the triangle- 80 degrees, 55 degrees, and 45 degrees

how would I find the area of the triangle with the given 3 angles?? plz help with steps!

Math- HELP - juve, Thursday, January 6, 2011 at 10:07pm
if 5/17 of a region is shaded, what part is not shaded?
Math- HELP - bob, Tuesday, October 23, 2012 at 4:24pm
12/17 duh!

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