Chapter 3: Q11 (page 76)
Name the two lines and the transversal that form each pair of angles.
and
Short Answer
Lines and
and transversal
forms pair of
and
.
Chapter 3: Q11 (page 76)
Name the two lines and the transversal that form each pair of angles.
and
Lines and
and transversal
forms pair of
and
.
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Use two lines of notebook paper as parallel lines and draw any
transversal. Use a protractor to measure
Measure one pair of alternate interior angles. Repeat the experiment with another transversal. What appears to be true?
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 |
Draw each figure described.
Lines d and e are skew, lines e and f are skew, and .
State the postulate or theorem that justifies each statement.
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