In any triange, the sum of the measures of the angles is 180degrees. In triangle ABC, angle A is four times as large as angle B. Angle C measures 20degrees less than angle B. Find the measure of each angle.

Question

In any triange, the sum of the measures of the angles is 180degrees. In triangle ABC, angle A is four times as large as angle B.  Angle C measures 20degrees less than angle B.  Find the measure of each angle.

Bartholomew · Answer

ANSWER
A = 133.333333
B = 33.3333333
C = 13.3333333

WORK
A = 4B
C = B-20
A + B + C = 180
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(4B) + B (B-20) = 180
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6B - 20 = 180
B = 33.33333
^
A is 4 times that
C is 20 less than that

Bartholomew · Answer

Sorry about the lines, I was expecting it to look like this: img517.imageshack.us/img517/9280/picture1in2.png

misha · Answer

Thanks Bartholomew!

felesia · Answer

in a triangle the sum of the angle is 180degrees. if angle A is three times angle B and Angle C is 10 degrees more than twice Angle A. Find the measures of the three anges to the newarest degree