Exploring Parallel Lines and Transversals

This video tutorial explains how to solve for unknown values using angle measurements in parallel lines cut by a transversal. It covers four examples: using vertical angles, corresponding angles, same side interior angles, and alternate interior angles to find the value of x. Each example demonstrates setting up equations based on angle relationships and solving them step-by-step.

What type of angles are formed when two parallel lines are intersected by a transversal?

• All of the above

• Corresponding angles

• Alternate interior angles

• Vertical angles

Tags

CCSS.8.G.A.5

If one angle is 2x + 3 and the vertically opposite angle is 105, what is the value of x?

• 51

• 102

• 54

• 50

Tags

CCSS.7.G.B.5

What property states that vertical angles are equal?

• Adjacent angles

• Congruent angles

• Supplementary angles

• Complementary angles

Tags

CCSS.7.G.B.5

In the context of corresponding angles, if one angle is 3x - 4 and the other is 6x + 8, what is the value of x?

• 12

• -12

• -4

• 4

Tags

CCSS.8.G.A.5

If the equation 3x - 4 = 6x + 8 is used to find x, what operation would you perform first?

• Divide both sides by 3

• Subtract 3x from both sides

• None of the above

• Add 4 to both sides

Tags

CCSS.HSA.REI.A.1

For same-side interior angles adding up to 180 degrees, if one angle is x + 12 and the other is 114, what is x?

• 64

• 54

• 44

• 104

In the equation x + 12 + 114 = 180, what is the first step to solve for x?

• Multiply both sides by 2

• Subtract 114 from 180

• Add 12 to 114

• Subtract 126 from 180

Tags

CCSS.8.G.A.5

How do alternate interior angles relate when two parallel lines are intersected by a transversal?

• They are supplementary

• They are congruent

• They are complementary

• None of the above

Tags

CCSS.8.G.A.5

What is the value of x if the equation formed by alternate interior angles is -16 = 4x + 20?

• -9

• 9

• -6

• 6

Tags

CCSS.8.G.A.5

What is the result of solving the equation -16 = 4x + 20 for x?

• 6

• 9

• -6

• -9

Tags

CCSS.7.EE.B.4A