# One of the measures of the angles of a triangle is #25^circ#. If the sum of the measures of the other two angles is #155^circ# and the difference between their measures is #5^circ#, what are the measures of the unknown angles?

##### 1 Answer

Dec 9, 2016

#### Explanation:

Let the two unknown angles be

Adding (1) and (2), we get,

substituting