Transversal proofs

If ∠1 and ∠2 are supplementary,
then m∠1 + m∠2 = 180°.

• Definition of Supplementary Angles
• Angle Addition Postulate
• Vertical Angles Theorem
• Definition of Complementary Angles

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

Supply the third reason.

• Vertical Angle Theorem

• Corresponding Angles Postulate

• Alternate Interior Angles Postulate

• Same Side Interior Angles Theorem

Tags

CCSS.8.G.A.5

Supply the third reason.

• Vertical Angle Theorem

• Corresponding Angles Postulate

• Alternate Interior Angles Postulate

• Same Side Interior Angles Theorem

Tags

CCSS.HSG.CO.C.9

Angle Q and B are...

• Alternate Interior Angles
• Consecutive Interior Angles
• Corresponding Angles
• Alternate Exterior Angles

Tags

CCSS.HSG.CO.C.9

Angle S and A are...

• Alternate Interior Angles
• Consecutive Interior Angles
• Corresponding Angles
• Alternate Exterior Angles

Tags

CCSS.HSG.CO.C.9

• Alternate interior angles
• alternate exterior angles
• corresponding angles
• vertical angles

Tags

CCSS.HSG.CO.C.9

Which of the angle pairs are supplementary?

• Alternate interior angles

• alternate exterior angles

• corresponding angles

• same side interior

Tags

CCSS.HSG.CO.C.9

Supply the second reason.

• Linear Pair Postulate

• Alternate Interior Angles Theorem

• Vertical Angles Theorem

• Corresponding Angles Postulate

Tags

CCSS.HSG.CO.C.9

Find the value of x.

• 22
• 28
• 23
• 30

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSG.CO.C.9

Which reason should go in step 3

• Same side interior theorem

• Corresponding angles theorem

• Alternate interior angles theorem

• Alternate exterior angles theorem

Tags

CCSS.HSG.CO.C.9