Transversals edmodo 2013 14

POD 19 AugWhat is:1.2.3.4. m

5. Solve3x + x + 20 = 180

A

B

C

DE

GF

H

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22o

Two angles are complementary if they add up to 90 degrees

Two angles are supplementary if they add up to 180 degrees

In your notes, find the first set of parallel lines cut by a transversal.

How many angles were formed?

c

b

d

e f

g h

a

Corresponding angles are in the same position when you slide the angle down the transversal. Corresponding angles are congruent ()

c

b

d

e f

g h

a

Alternate interior angles are inside the parallel lines and on alternate sides of the transversal. Alternate interior angles are congruent ()

c

b

d

e f

g h

a

Alternate exterior angles are outside the parallel lines and on alternate sides of the transversal. Alternate exterior angles are congruent ()

c

b

d

e f

g h

a

Vertical angles share a vertex and are on opposite sides. Vertical angles are congruent ()

c

b

d

e f

g h

a

1150 2

3 4

5 6

7 8

p

n

Line p || line n

Find the measure of angles 2 through 8.