Parallel Lines and Angles Answers

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3

Analyze the diagram below and complete the instructions that follow. Find the measure of . State the theorem used to justify your answer.

Question illustration
A
, alternate interior angles theorem
B
, consecutive interior angles theorem
C
, alternate interior angles theorem
D
, consecutive interior angles theorem
5

Analyze the diagram below and answer the question that follows. and form which type of angle pair?

Question illustration
A
corresponding angles
B
alternate interior angles
C
consecutive interior angles
D
alternate exterior angles
8

Analyze the diagram below and complete the instructions that follow.The diagram above contains contradictory information. Explain the contradiction.

Question illustration
A
Since and are consecutive interior angles, they are supplementary angles. Hence, . When you solve for x, your answer is x = 60. and . The measurement of an angle cannot be a negative number for this problem.
B
Since and are consecutive interior angles, they are congruent angles. Hence, . When you solve for x, you get x = 0. This would make and = 0°. The measurement of an angle cannot be 0° for this problem.
C
Since and are alternate interior angles, they are supplementary. Hence, . When you solve for x, you get x = 60. This would make and . The measurement of an angle cannot be a negative number for this problem.
D
Since and are alternate interior angles, they are congruent. Hence, . When you solve for x, you get x = 0. This would make and . The measurement of an angle cannot be a negative number for this problem.

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