Chapter 3: Q17. (page 114)
In the diagram bisects, , and .Find the measure of each angle.
Short Answer
The angleis .
Chapter 3: Q17. (page 114)
In the diagram bisects, , and .Find the measure of each angle.
The angleis .
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Get started for freeComplete each statement with the word always, sometimes, or never.
Two lines in the plane of the floor are _?_skew.
Complete each statement with the word always, sometimes, or never.
When there is a transversal of two lines, the three lines are coplanar
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 |
Exercises 23 – 29 refer to the diagram in Step 2 of Exercise 22
Suppose the top and bottom of the box lie in parallel lines. Explain how theorem 3.1 can be used to prove .
Classify each pair of angles as alternate interior angles, same-side interior angles, corresponding angles, or none of these.
and
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