Linear Pairs and Vertical Angles

Read:
page 105-106

To know:

• Theorems 7-9 on page 106

• What a linear pair is:

For more on linear pairs, take a look here and try moving the orange dot.

• What is meant by vertical angles (vertical means the same as opposite)

1 = 3
2 = 4

For more on vertical angles, take a look here and do the practice exercises.

Try:

ThatQuiz on linear pairs and vertical angles

DO:

Set I #14-22
Set II # 26-28

Also, do #29-31 with me.

First, look at

Linear Pair Theorem Proof