The hinge of an angle; the point where the two rays of an angle meet
Vertex
100
Complementary angles
90 degrees
100
Draw and label two complementary angles.
EX: 45, 45 30,60 89, 1
100
If two angles are vertical angles, and one angle measures 40, and the other measures X+5, write an equation to solve for X.
X+5=40
100
Draw a pair of complementary angles. If one angle is 45 degrees, and the other angle measures X degrees, what does the other angle measure?
45 degrees
200
Angles that add up to 180 degrees.
Supplementary angles
200
Angles on a line
180 degrees
200
Draw and label two angles that are supplementary angles.
EX: 120, 60 40, 140 150, 30
200
Draw two supplementary angles. If one angle measures 3X, and the other angle measures 60, write an equation to solve for X.
3X+60=180
200
If two angles are vertical angles, and one angle measures 160, and the other angle measures 3X+40, what is X? (Draw a picture to help)
40 degrees
300
Angles that add up to 90 degrees
Complementary angles
300
Supplementary angles
180 degrees
300
Draw and label three angles that are complementary
Ex: 30, 30, 30 40, 45, 5
300
If
35+X=75
300
If three angles are on a line, and each angle measures 2X, what does each angle measure?
60 degrees
400
Angles that are next to each other and share a side. The measurements of these angles add.
Adjacent angles
400
Angles at a point
360 degrees
400
Draw and label four angles that are supplementary.
EX: 20, 30, 100, 30
400
If three angles are angles on a line, and all angles measure 2X, write an equation to solve for X.
6X=180
400
If
43 degrees
500
Angles that are across from each other in an X Shape. These angles have congruent measures.
Vertical Angles
500
Right angle
90 degrees
500
Draw and label an angle and label it in 3 or 4 different ways.
1. 3 letter with the vertex in the middle
2. Vertex only
3. Inside arc only
500
If there are 6 angles at a point, and all angles have the same angle measure, what is the measure of each angle? Write an equation.
6X=360
500
Draw intersecting lines that create 4 vertical angles. Write 60 degrees inside the arc of one of the acute angles. Then, find the measures of the other 3 angle measures.