Identifying Angles
Angles that are in inside parallel lines on opposite sides of the transversal
Alternate Int. Angles
If angle 1 is 65 degrees, find angle 5.
65 degrees
If angle 5 is 65 degrees, find angle 4.
65 degrees
If angle 1 is 110 degrees, find angle 8.
110 degrees
Consecutive Interior angles' measure are....
supplementary or equal to 180 degrees
Angles in the same position
Corresponding Angles
If angle 3 is 78 degrees, find angle 8.
102 degrees
If angle 3 is 65 degrees, find angle 4.
115 degrees
If angle 2 is 55 degrees, find angle 8.
125 degrees
If angle 3 is 66 degrees, find angle 5.
114 degrees
Angles that are on the outside of parallel lines on opposite sides of the transversal
Alternate Ext. Angles
If angle 3 is 2x + 22 and angle 7 is 5x + 4, find x.
x = 6
If angle 3 is 5x + 16 and angle 6 is 6x + 7, find x.
x = 8
If angle 1 is 11x - 5 and angle 1 is 9x + 5, find x.
x = 5
Write the pairs of consecutive interior angles.
3 & 5
4 & 6
The only pair of angles that are supplementary
Consecutive Int. Angles
If angle 4 is 10x - 2 and angle 8 is 7x +34, find angle 4.
118 degrees
If angle 4 is 12 + 8x and angle 5 is -10 + 10x, find angle 5.
100 degrees
If angle 2 is -2 + 13x and angle 7 is 12x + 5, find angle 7.
89 degrees
If angle 4 is x + 127 and angle 6 is x + 67, find angle 6.
60 degrees
Angles that are opposite each other
Vertical Angles
If angle 4 is 12x and angle 8 is 4x +64, find angle 7.
84 degrees
If angle 4 is 6x + 14 and angle 5 is -8 + 8x, find angle 1.
80 degrees
If angle 2 is 15x - 5 and angle 7 is 14x, find angle 5.
110 degrees
If angle 3 is 5x + 5 and angle 5 is 13x - 5, find angle 2.
55 degrees