Chapter 3: Q19. (page 114)
In the diagram bisects , , , and . Find the measure of each angle.
Short Answer
The angle is .
Chapter 3: Q19. (page 114)
In the diagram bisects , , , and . Find the measure of each angle.
The angle is .
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Exercises 23-29 refer to the diagram in step 2 of exercise 22.
Name five lines that appear to be parallel to.
Find the values of and
Complete each statement with the word always, sometimes, or never.
Two lines parallel to the same plane are parallel to each other.
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 |
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