Chapter 3: Q18. (page 112)
A regular polygon has 24 sides. Find the measure of each exterior angle.
Short Answer
The measure of each exterior angle is15°.
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Chapter 3: Q18. (page 112)
A regular polygon has 24 sides. Find the measure of each exterior angle.
The measure of each exterior angle is15°.
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Prove Theorem 3-11 by using the diagram below. (Begin by stating what is given and what is to be proved. Draw the auxiliary ray shown.)

State which segments (if any) are parallel. State the postulate or theorem that justifies your answer.

Complete each statement with the word always, sometimes, or never.
Two lines skew to a third line are skew to each other
Complete each statement with the word always, sometimes, or never.
2. If a line is perpendicular to one of two parallel lines, then it is perpendicular to the other one.
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