SOLUTION: In any isosceles triangle two angles are equal. The third angle of a certain isosceles triangle is 12 degrees more than four times the measure of one of the equal angles. Find the

SOLUTION: In any isosceles triangle two angles are equal. The third angle of a certain isosceles triangle is 12 degrees more than four times the measure of one of the equal angles. Find the

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Question 246307: In any isosceles triangle two angles are equal. The third angle of a certain isosceles triangle is 12 degrees more than four times the measure of one of the equal angles. Find the measure of one of the equal angles.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a+a+c=180
c=12+4a
sub
2a+12+4a=180
6a=168
divide by 2
3a=84
a=84/3
a=28 equal angles
2a=56
180-56=124=c third angle
check
c=12+4*28=112+12=124
check

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