2.3 - Focus Period

2 lines intersect at a point

• Always

• Sometimes

• Never

For any two points, there is a unique line through them

• Always

• Sometimes

• Never

A line must have at least 2 points

• Always

• Sometimes

• Never

Complete the Three Point Postulate:

"Through any three noncollinear points, there exists exactly _____________________"

• one plane

• one point

• two planes

• 6 points

Complete the Plane-Point Postulate:

"A plane contains _____________________"

• At least two noncollinear points

• At least three noncollinear points

• No more than 3 noncollinear points

• none of the above

Complete the Plane-Line Postulate:

"If two points lie in a plane, then the line containing them _________________"

• lies in the plane

• is perpendicular to the plane

Complete the Plane-Intersection Postulate:

"If two planes intersect, then their intersection is ________________"

• a plane

• a line

• a circle

• a triangle

If ∠1 = ∠2 and ∠2 = ∠3, then ∠1 = ∠3.

• Addition Property of Equality
• Symmetric Property of Equality
• Reflexive Property of Equality
• Transitive Property of Equality

AB = AB

• Reflexive POE
• Transitive POE
• Symmetric POE
• Distributive POE

• Symmetric 

• Transitive 

• Substitution 

• Reflexive