Homework Help: geomitry

Posted by gabriel on Thursday, January 20, 2011 at 10:37pm.

the first angle of a triangle is complementry to the third angle.
the second angle is 16 degrees less than five times the first angle.

find the measure of the largest angle of the triangle.

geomitry - helper, Thursday, January 20, 2011 at 10:55pm
x = 1st angle
90 - x = 2nd angle
5x - 16 = 3rd angle

x + 90 - x + 5x - 16 = 180
solve for x
geomitry - Anonymous, Thursday, October 13, 2011 at 6:52pm
x=21.2

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