# Internal angles

One internal angle of the triangle JAR is 25 degrees. The difference is the size of the two other is 15°. Identify the size of these angles.

Correct result:

a =  85 °
b =  70 °

#### Solution:

a+b+c = 180
c = 25
a-b = 15

a+b+c = 180
c = 25
a-b = 15

a = 85
b = 70
c = 25

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