SOLUTION: In a triangle ABC, angle B is 4 times angle A and angle C is 9 degrees less than 5 times angle A. Find the size of the angles. A B C

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Question 391965: In a triangle ABC, angle B is 4 times angle A and angle C is 9 degrees less than 5 times angle A.
Find the size of the angles.
A
B
C

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
b=4a, c=5a-9
a+4a+5a-9=180
10a-9=180
10a=189
a=18.9
b=75.6
c=85.5
.
Ed