SOLUTION: The second angle of a triangle is four times the first and the third is 5 degress more than twice the first. Find the measures of the angles?

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Question 203234This question is from textbook Algerbra 2 with Trigonometry
: The second angle of a triangle is four times the first and the third is 5 degress more than twice the first. Find the measures of the angles? This question is from textbook Algerbra 2 with Trigonometry

Found 2 solutions by edjones, rfer:
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
let a=1st angle, b the 2nd and c the third.
b=4a
c=2a+5
a+4a+2a+5=180
7a+5=180
7a=175
a=25 deg.
b=100 deg.
c=55 deg
.
Ed

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
angle 1=x=25 degrees
angle 2=4x=100 "
angle 3=2x+55 "
----------------
x+4x+2x+5=180
7x=175
x=25