algebraic expression with angles

Mathematics
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The sum of the measures of the angles of any triangle is 180 degrees. In triangle ABC, angles a and b have the same measure of angle c is 69 degrees larger than each of a and b. what are the measures of the 3 angles

May 12th, 2015

I assume its 60 since I am getting fractional values. Please let me know if it is 69 or 60. I have done using 60 degrees.

a =b and c= a+60

a +b+c = 180

2a +c = 180

2a+a+60 = 180

3a = 120

a = 40

b = 40

c = 100

Please let me know if you have any questions and best me if you are satisfactory.


May 12th, 2015

If c = a+69,

a =37 degrees, b = 37 degrees, c= 106 

May 12th, 2015

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