Exploring Angle Relationships with Parallel Lines

This video tutorial by Mr. Weaver covers the basics of geometry, focusing on angle relationships and parallel lines. It explains how to identify and classify angles formed by transversals intersecting parallel lines, including alternate interior, alternate exterior, and corresponding angles. The tutorial also demonstrates how to find missing angle measures using these relationships, as well as supplementary and vertical angles. The lesson includes practical examples and checks for understanding to reinforce learning.

What is the special notation used to indicate perpendicular lines?

• A small triangle

• A small box indicating a right angle

• A circle

• Two parallel lines

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What do we call a line that intersects two or more other lines in a plane?

• Diagonal

• Parallel line

• Transversal

• Perpendicular line

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CCSS.HSG.CO.A.1

How many angles are formed when a transversal intersects two parallel lines?

• Ten

• Eight

• Six

• Four

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CCSS.8.G.A.5

Which angles are equal when two parallel lines are cut by a transversal?

• All of the above

• Alternate interior angles

• Alternate exterior angles

• Corresponding angles

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CCSS.8.G.A.5

What is the relationship between angle 1 and angle 7 if they lie outside the parallel lines and on opposite sides of the transversal?

• Vertical angles

• Corresponding angles

• Alternate exterior angles

• Alternate interior angles

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CCSS.8.G.A.5

If angle 2 is 75 degrees, what is the measure of angle 6 if they are corresponding angles?

• 90 degrees

• 180 degrees

• 105 degrees

• 75 degrees

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CCSS.8.G.A.5

What is the measure of angle 3 if angle 6 is 75 degrees and they are alternate interior angles?

• 75 degrees

• 105 degrees

• 180 degrees

• 90 degrees

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CCSS.8.G.A.5

If angle 1 is 50 degrees, what is the measure of angle 2 if they are supplementary?

• 50 degrees

• 90 degrees

• 180 degrees

• 130 degrees

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CCSS.7.G.B.5

What is the measure of angle 7 if angle 6 is 40 degrees and angle 8 is 90 degrees?

• 50 degrees

• 130 degrees

• 90 degrees

• 40 degrees

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CCSS.7.G.B.5

If angle 7 is 125 degrees, what is the measure of angle 4?

• 90 degrees

• 35 degrees

• 125 degrees

• 55 degrees

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CCSS.7.G.B.5