SOLUTION: In a triangle, angle b is twice the measure of angle a, and angle c is 30 degrees less than three times the measure of angle a. Find the measure of angle a?

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Question 367025: In a triangle, angle b is twice the measure of angle a, and angle c is 30 degrees less than three times the measure of angle a. Find the measure of angle a?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Since it's a triangle,
a%2Bb%2Bc=180
a%2B2a%2B%283a-30%29=180
6a=210
highlight%28a=35%29degrees
.
.
highlight%28b=70%29degrees
.
.
c=3%2835%29-30
highlight%28c=75%29degrees