GEOMETRY
Distance and Midpoints
Do Now
Second Do Now
• Estimate √80
Review Homework
• Key Points
• There is a real number between a and b such that a < n < b
• Point N is in between Point A and Point B if and only if A, B, and N
are ____________________ and AN + NB = AB
A
N
• Compare lines AB, AN, and NB
• What is congruence?
B
What is the Pythagorean theorem?
Distance Formula Small Group
• Number Line and Coordinate Plane
• Number Line
• In your group, write an formula that would allow you to determine
the distance between P and Q.
• Assign P and Q values and demonstrate the validity of your
formula.
• Will it always work?
Distance Formula on Number Line
Distance Formula Coordinate Plane
Homework
• Finish Discovery Packet