Vocabulary
A line that crosses two or more lines.
Transversal
Angle A - 124 degrees
Angle B - 23 degrees
Angle C - ?
Angle C - 33 degrees
Solve for x:
Angle 1: x + 44
Angle 2: 55
Angle 3: 90
x = -9
Find the missing angles. *Alternate Angles Question 1*
2 = 122
When 2 parallel lines are both intersected by a transversal, these angles occupy the same position on the top and bottom parallel lines.
Corresponding Angles
Angle A - 32
Angle B - 24
Angle C - ?
Angle C - 124 degrees
Solve for x.
Angle 1: 10x
Angle 2: 8x + 5
Angle 3: 85
x = 5
Find the missing angles. *Alternate Angles Question 2*
1 - 105
4 - 75
Two angles that add up to 90 degrees.
Supplementary Angles
How many degrees are in any triangle?
180 degrees
Solve for x.
Angle 1: 90
Angle 2: (2x + 1)
Angle 3: (5x + 5)
x = 12
Find the missing angles. *Corresponding Angles Question 1*
1 - 129
2 - 51
Two adjacent angles that add up to 180 degrees.
Complimentary Angles
See drawing on board. Solve for x.
109 degrees
Solve for x.
Angle 1: (5x + 2)
Angle 2: (7x - 1)
Angle 3: (7x + 8)
x = 9
Find the missing angles. *Corresponding Angles Question 2*
2 - 56
4 - 124
When 2 parallel lines are both intersected by a transversal these angles are inside of the two parallel lines and on opposite sides of the transversal.
Alternate Interior Angles
See drawing on board. Solve for angle 3.
71 degrees
Solve for x.
Angle 1: (7x - 11)
Angle 2: (5x - 2)
Angle 3: (2x - 3)
x = 14
Find Angle 1. *Find all angles worksheet*
1 - 73