Chapter 3: Q4 (page 96)
Complete each statement with the words always, sometimes or never.
If a triangle is obtuse then it is isosceles.
Short Answer
If a triangle is obtuse, then it is sometimes isosceles.
Chapter 3: Q4 (page 96)
Complete each statement with the words always, sometimes or never.
If a triangle is obtuse then it is isosceles.
If a triangle is obtuse, then it is sometimes isosceles.
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Get started for freeClassify each pair of angles as alternate interior angles, same-side interior angles, or corresponding angles.
and
Find the values of
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
Prove:
Statement | Reason |
1. | Given |
2. | If two parallel lines are cut by transversal then alt. int. |
3. | Vert. |
4. | Transitive Property |
Exercises 23-29 refer to the diagram in step 2 of exercise 22.
.Name two planes parallel to
Exercises 23-29 refer to the diagram in step 2 of exercise 22.
Name four lines that appear to be skew to
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