SOLUTION: in a triangle abc, angle B is 4 times angle A and angle C is 9degrees less than five times angle A. find the size of the angles.
the size of angle A is?
the size of angle B i
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Question 260962: in a triangle abc, angle B is 4 times angle A and angle C is 9degrees less than five times angle A. find the size of the angles.
the size of angle A is?
the size of angle B is?
the size of angle C is?
Answer by Greenfinch(383) (Show Source): You can put this solution on YOUR website!
If angle A is A
angle B is 4A
angle C is 5A - 9
Total is 180
So A + 4A + 5A - 9 = 10A - 9 = 180
10A = 189
A = 18.9
B = 75.6
C = 85.5
Total = 180
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