Use the relationships found in each of the diagrams below to solve for
Solve for the missing angle in the triangle with
and . Use the Triangle Angle Sum Theorem to solve for the missing angle. and the angle are supplementary angles, because they form a linear pair.
angle and the angle across from it are vertical angles and vertical angles are congruent.
Using the Triangle Angle Sum Theorem and the triangle on the right,
Find the measures of any angles that may relate to the unknown angles by using the angles given.
This is a special right triangle. Try drawing it to scale and then solve for