Perpendicular lines

If two lines are parallel to the same line, then they are parallel to each other, what lines MUST be parallel? 

• a||b
• b||c
• a||b AND a||c
• None

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

How do we know that m and n are parallel? 

• They are perpendicular to the same line
• They share a transversal
• They are marked as parallel
• We can assume straight lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

If two lines which are perpendicular to the same line are parallel, which lines must be parallel? 

• m and n
• m and t
• n and t
• No parallel lines

Tags

CCSS.8.G.A.5

Is m perpendicular to n? If so, why? 

• Not enough information to know for sure
• Yes, it is parallel to l and l is perpendicular to n
• Yes, because it is perpendicular to l
• Yes, because you can assume straigh lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Which lines are perpendicular? 

• n and l
• m and n
• n and l AND m and n
• No perpendicular lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Will the pieces of this frame form edges that are parallel? How do you know? 

• Yes, because each side is perpendicular to the transversal (top)
• Not enough information to be sure
• Yes, because the each side is 45 degrees
• No, because the side angles are complementary to one another

Tags

CCSS.8.G.A.5

What can you deduce from the image?

• c||d, because they are both perpendicular to the same transversal
• c||a, because they are both perpendicular to the same transversal
• c ⊥ a, because they are both perpendicular to to same transversal

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

What can you deduce from the image?

• c||d, because they are both parallel to the same transversal
• a||b, because they are both perpendicular to the same transversal
• c ⊥ a, because they are both perpendicular to to same transversal

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

If the top of the image is the transversal, and lines A, B, and C are parallel, what can we deduce? 

• A||D
• Angles 1≅Angle 2≅Angle 3
• Angles 1=Angle 2=Angle 3
• Not enough information

Tags

CCSS.8.G.A.5

If the D is a transversal that is perpendicular to A, and lines A, B, and C are parallel, what can we deduce? 

• A||D
• Angles 1≅Angle 2≅Angle 3
• Angles 1=Angle 2=Angle 3
• The intersection of A/B/C and D form right angles

Tags

CCSS.8.G.A.5