1. If two angles share a vertex and one side they are called _______.
2. If two angles that are joined together have a total measurement of 180 degrees, they are called what kind of angles?
3. If angle G and angle H are supplementary angles and angle G is four times the size of angle H what are the measurements of angles G and H?
4. If two angles are complimentary and the measurement of one angle is 45 degrees, what is the measurement of the second angle?