# In triangle QRS, #/_Q# and #/_R# are congruent. The measure of #/_S# is three times the measure of #/_Q#. What is the measure of #/_S# in degrees?

##### 1 Answer

Dec 1, 2015

#### Explanation:

Let

The sum of the interior angles of a triangle is

Plug in the values of the three angles.

Divide both sides by 5.

Now that you know what

Plug in the value of