Exploring Parallel and Transversal Lines

What defines parallel lines?

• Lines that intersect at one point

• Lines that never meet and have the same slope

• Lines that meet at a right angle

• Lines that cross each other

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What is a transversal line?

• A line that divides an angle into two equal parts

• A line that forms a right angle with a parallel line

• A line parallel to another line

• A line that intersects two parallel lines

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CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

What are supplementary angles?

• Angles that add up to 90 degrees

• Angles that are opposite to each other

• Angles that are equal to each other

• Angles that add up to 180 degrees

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How can you identify parallel lines in a diagram?

• By the number of intersections

• By arrows marking the lines

• By the length of the lines

• By the color of the lines

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What are corresponding angles?

• Angles on the same side of the transversal and in the same position relative to the parallel lines

• Angles on the same side of the transversal and inside the parallel lines

• Angles that are equal in measure

• Angles in the same position on opposite sides of the transversal

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CCSS.HSG.CO.C.9

What defines alternate interior angles?

• Angles on opposite sides of the transversal and inside the parallel lines

• Angles on the same side of the transversal and inside the parallel lines

• Angles on opposite sides of the transversal and outside the parallel lines

• Angles that are not equal in measure

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CCSS.HSG.CO.C.9

What relationship do same side interior angles have?

• They have no specific relationship

• They are complementary

• They are congruent

• They are supplementary

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CCSS.HSG.CO.C.9

How are vertical angles related?

• They are congruent

• They are supplementary

• They are complementary

• They are adjacent

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CCSS.HSG.CO.C.9

If one angle formed by a transversal is 60 degrees, what is the measure of its corresponding angle?

• 120 degrees

• 60 degrees

• 30 degrees

• 180 degrees

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CCSS.HSG.CO.C.9

In solving for x in an equation involving angles, what is the first step if the equation is set up as 20x + 24x + 5 - 1 = 180?

• Subtract 5 from both sides

• Combine like terms

• Divide both sides by x

• Add 1 to both sides

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