Perpendicular Lines Vocabulary

Two lines that intersect to form four right angles

• Parallel

• Transversal

• Perpendicular

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Two angles whose sum is 90 degrees

• Complementary

• Supplementary

• Perpendicular

• Transversal

Tags

CCSS.7.G.B.5

• Perpendicular Lines

• Parallel Lines

• Congruent Lines

• Similar Lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Determine whether enough information is given to conclude that the statement below is true and select the reason why.

∠6 ≅ ∠7

• Yes: if two lines are perpendicular then they make four right angles.

• Yes: vertical angles are always congruent

• Not enough information

• Yes: if two lines intersect to create a linear pair of congruent angles, then the lines are perpendicular

Tags

CCSS.7.G.B.5

If ∠1 ≅ ∠2, what can you conclude?

• AB | | AC 

• ∠1 ≅ ∠2

• No conclusion can be made.

Tags

CCSS.7.G.B.5

• ∠3 ≅ ∠4

• m∠3 + m∠4 = 180

• m∠3 + m∠4 = 90

• No conclusion can be made.

Tags

CCSS.7.G.B.5

Do you have enough information to show that m∠AXB = m∠CXB with the information provided in the image?

• Yes

• No

Tags

CCSS.7.G.B.5

Which theorem correctly justifies the statement above the image?

• If two lines intersect to form a linear pair of congruent angles, then the lines are perpendicular.

• If two lines are perpendicular, then they intersect to form four right angles.

• If two sides of two adjacent acute angles are perpendicular, then the angles are complementary.

• No theorem justifies the statement.

Tags

CCSS.7.G.B.5

Which theorem correctly justifies the statement above the image?

• If two lines intersect to form a linear pair of congruent angles, then the lines are perpendicular.

• If two lines are perpendicular, then they intersect to form four right angles.

• If two sides of two adjacent acute angles are perpendicular, then the angles are complementary.

• No theorem justifies the statement.

Tags

CCSS.7.G.B.5

Which theorem correctly justifies the statement above the image?

• If two lines intersect to form a linear pair of congruent angles, then the lines are perpendicular.

• If two lines are perpendicular, then they intersect to form four right angles.

• If two sides of two adjacent acute angles are perpendicular, then the angles are complementary.

• No theorem justifies the statement.

Tags

CCSS.7.G.B.5