# How do you find all the missing angles, if you know one of the acute angles of a right triangle?

##### 1 Answer

Nov 26, 2014

The sum of the measures of all the angles in a triangle is **always equal to **

In a right triangle, however, one of the angles is already known: the right angle, or the

Let the other two angles be

Applying these conditions, we can say that,

That is, the sum of the two acute angles in a right triangle is equal to

If we know one of these angles, we can easily substitute that value and find the missing one.

**For example, ** if one of the angles in a right triangle is