Chapter 3: Q1 (page 96)
Complete each statement with the words always, sometimes or never.
If a triangle is isosceles then it is equilateral.
Short Answer
If a triangle is isosceles, then it is sometimes equilateral.
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Chapter 3: Q1 (page 96)
Complete each statement with the words always, sometimes or never.
If a triangle is isosceles then it is equilateral.
If a triangle is isosceles, then it is sometimes equilateral.
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Classify each pair of angles as alternate interior angles, same-side interior angles, or corresponding angles.
and

Classify each pair of angles as alternate interior angles, same-side interior angles, or corresponding angles.
and

State the postulate or theorem that justifies each statement.

Write proofs in two-column form.
Given:
Prove: is supplementary to

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

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