Chapter 12: Q18. (page 695)
Find the value of that makes lines and parallel.

Short Answer
The value of is .
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Chapter 12: Q18. (page 695)
Find the value of that makes lines and parallel.

The value of is .
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Draw a quadrilateral and show one exterior angle at each vertex.
Tell whether the angles are complementary, supplementary, or neither.
Copy and complete: The sum of the measures of two? angles is .
Tell whether the angles are complementary, supplementary, or neither.
Use the diagram shown. Identify all pairs of the specified angles.
Supplementary angles

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