Complementary, Supplementary, and Vertical Angles

Right Angle

a 90 degree angle.

30

If the measure of Angle 1 is 150 then Angle 2 is ? degrees

30

If the measure of Angle 1 is 150 then Angle 3 is ? degrees

34

If the measure of Angle 2 is 34 then Angle 3 is ? degrees

60

If the measure of Angle 2 is 60 then Angle 3 is ? degrees

110

If the measure of Angle 2 is 70 then Angle 4 is ? degrees

45

If the measure of Angle 3 is 45 then Angle 2 is ? degrees

120

If the measure of Angle 4 is 120 then Angle 1 is ? degrees

130

If the measure of Angle 5 is 130 then Angle 8 is ? degrees

135

If the measure of Angle 5 is 135 then Angle 8 is ? degrees

50

If the measure of Angle 7 is 50 then Angle 6 is ? degrees

17

If two angles are supplementary, solve for x. Angle 1 is 5x-15 Angle 2 is 110

Congruent

equal; the same.

37.5

If A is 37.5 degrees, what is b?

3xy

If A is 3xy what is B?

100

If the measure of Angle 1 is 100 then Angle 4 is ? degrees

Adjacent Angles

two angles that share a side; two angles that are 'beside' each other.

Supplementary Angles

two angles whose sum is 180 degrees.

Complementary Angles

two angles whose sum is 90 degrees.

Vertical Angles

two opposite angles formed by intersecting lines; they are congruent.