Homework Help: algebra 1

Posted by esther on Thursday, December 16, 2010 at 12:26am.

In a triangle ABC,angle b is 4 times angle "A" and angle "C" IS 17 less than 5 times angle "A". Find the size of the angles.

algebra 1 - drwls, Thursday, December 16, 2010 at 2:32am
B = 4A
C = 5A -17
A + B + C = 180 = 10 A -17
A = 19.7
B = 78.8
C = 81.5
(all numbers are degrees)

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