Exploring LT 8.1 Concepts

This video tutorial covers the identification and measurement of angles formed by parallel lines and a transversal. It explains different types of angles such as corresponding, alternate interior, and alternate exterior angles. Through examples, it demonstrates how to solve problems involving unknown angle measurements and conditions for lines to be parallel. The tutorial concludes with a review of key concepts and angle relationships.

What is the term for a line that intersects two parallel lines?

• Perpendicular

• Transversal

• Bisector

• Diagonal

Tags

CCSS.HSG.CO.A.1

Which angles are congruent in the figure formed by a transversal intersecting two parallel lines?

• Angles 1, 4, 5, and 8

• Angles 2, 3, 6, and 7

• Angles 1, 2, 3, and 4

• Angles 1, 2, 5, and 6

Tags

CCSS.8.G.A.5

What is the relationship between corresponding angles?

• They are supplementary

• They are complementary

• They are adjacent

• They are congruent

Tags

CCSS.8.G.A.5

Which of the following pairs are alternate interior angles?

• Angles 1 and 5

• Angles 4 and 6

• Angles 2 and 8

• Angles 3 and 7

Tags

CCSS.8.G.A.5

What is the sum of same side interior angles?

• 180 degrees

• 45 degrees

• 360 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

Which angles are alternate exterior angles?

• Angles 4 and 8

• Angles 2 and 6

• Angles 1 and 7

• Angles 3 and 5

Tags

CCSS.8.G.A.5

If angle 4 is 99 degrees, what is the measure of angle 5?

• 81 degrees

• 99 degrees

• 180 degrees

• 45 degrees

Tags

CCSS.7.G.B.5

In a figure with parallel lines and a transversal, if angle 2 is 99 degrees, what is the measure of angle 7?

• 99 degrees

• 180 degrees

• 81 degrees

• 45 degrees

Tags

CCSS.8.G.A.5

What is the measure of angle X if X + 25 + 75 = 180?

• 90 degrees

• 85 degrees

• 80 degrees

• 100 degrees

Tags

CCSS.7.G.B.5

Which angles are always congruent?

• Adjacent angles

• Corresponding angles

• Same side interior angles

• Supplementary angles

Tags

CCSS.8.G.A.5