1. Geometry 3-2 Angles and Algebra
Label the type of angle pair, then find the value of x.
Alternate Interior
110°
(2x-10)°
2x – 10 = 110

2. Example Alternate Exterior 7x – 20 = 50
Label the type of angle pair, then find the value of x.
Alternate Exterior
50°
(7x-20)°
7x – 20 = 50

3. Example Corresponding 2x – 10 = 4x – 30
Label the type of angle pair, then find the value of x.
(4x-30)°
(2x-10)°
Corresponding
2x – 10 = 4x – 30

4. Example Same-Side Interior 3x + 16 + 14x – 6 = 180
Label the type of angle pair, then find the value of x.
(14x-6)°
(3x+16)°
Same-Side Interior
3x x – 6 = 180

5. Example Same-Side Exterior 2x + 5 + 55 = 180
Label the type of angle pair, then find the value of x.
55°
(2x+5)°
Same-Side Exterior
2x = 180

6. Example Corresponding 30x = 90 x = 30 Alternate Exterior x + y = 90
Label the type of angle pair, then find the values of x and y.
(x + y)°
(30x)°
Corresponding
30x = 90
x = 30
Alternate Exterior
x + y = 90
(30) + y = 90
y = 60