Challenging Problems with Parallel Lines Geometry

Which of the following pairs of angles are vertical angles? (There may be more than one answer?)

• ∠1 and ∠2

• ∠1 and ∠4

• ∠2 and ∠5

• ∠5 and ∠8

Tags

CCSS.7.G.B.5

Which of the following pairs of angles are alternate interior angles? (There may be more than one answer)

• ∠1 and ∠8

• ∠3 and ∠4

• ∠4 and ∠5

• ∠3 and ∠6

Tags

CCSS.8.G.A.5

Which of the following pairs of angles are alternate exterior angles?

• ∠1 and ∠8

• ∠3 and ∠4

• ∠4 and ∠5

• ∠3 and ∠6

Tags

CCSS.8.G.A.5

Determine the missing angle measurement.

• 180

• 135

• 45

• 100

Tags

CCSS.8.G.A.5

• line s

• line t

• line m

• line l

Tags

CCSS.8.G.A.5

Which of the following statements is true for two lines to be parallel?

• Their gradients must be equal.

• Their y-intercepts must be equal.

• Their gradients must be reciprocal of each other.

• Their gradients must be negative reciprocals of each other.

Tags

CCSS.5.G.A.2

• line l

• line m

• line s

• line t

Tags

CCSS.8.G.A.5

Which property do parallel lines NOT share?

• Equal slopes

• Equidistant from each other at all points

• Intersecting at a 90-degree angle

• Never intersecting

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

• line s

• line t

• line m

• line l

Tags

CCSS.8.G.A.5