Chapter 3: Q17. AR (page 113)
What isthe x-coordinate of every point that lies on a vertical line through?

Short Answer
The -coordinate of every point that lies on a vertical line throughis 3.
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Chapter 3: Q17. AR (page 113)
What isthe x-coordinate of every point that lies on a vertical line through?

The -coordinate of every point that lies on a vertical line throughis 3.
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Exercises 23-29 refer to the diagram in step 2 of exercise 22.

Name four lines that appear to be skew to.
Alan tried to prove Postulate 10 as shown below. However, he did not have valid proof. Explain why not.
If two parallel lines are cut by a transversal, then corresponding angles are congruent.
Given ; transversal cuts and
Prove:

Statement | Reason |
1. | Given |
2. | If two parallel lines are cut by transversal then alt. int. are |
3. | Vert. are |
4. | Transitive Property |
State the postulate or theorem that justifies each statement.

Name the two lines and the transversal that form each pair of angles.
and

Assume that and , name all angels supplementary to .

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