1.2 Day 2 ­ Points, Lines, and Planes.notebook
September 02, 2015
9/2: Warm Up
1. Name one line: ________
2. Name one segment: _______
3. Name one ray: ______
4. Name the plane: ______
5. Name 3 collinear points: ______
6. Name 3 coplanar points that are not collinear: ___________
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1.2 Day 2 ­ Points, Lines, and Planes.notebook
1.2 Day 2: Points, Lines, and Planes
September 02, 2015
Date: 9/2
A postulate or axiom is an accepted statement of fact.
Postulate 1­1: Through any two points there is exactly one line.
Postulate 1­2: If two distinct lines intersect, then they intersect in
exactly one point
Postulate 1­3: If two distinct planes intersect, then they intersect in
exactly one line
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1.2 Day 2 ­ Points, Lines, and Planes.notebook
September 02, 2015
Ex 1). Each surface represents part of a plane.
What is the intersection of plane AEH and plane EGH? _______________
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1.2 Day 2 ­ Points, Lines, and Planes.notebook
September 02, 2015
Ex 2). Each surface of the box represents part of a plane.
a) What is the intersection of plane RNQ and plane JMN? _____________
b) Which plane contains points J, M, and L? ______________
c) Which plane contains points L, P, and Q? ______________
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1.2 Day 2 ­ Points, Lines, and Planes.notebook
September 02, 2015
d) Which plane contains points M, J, and P? Shade below. _______________
e) Which plane contains points J, K, and Q? Shade below. _______________
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1.2 Day 2 ­ Points, Lines, and Planes.notebook
September 02, 2015
f) What other point is in the same plane as points N, P, and Q? _______
g) What other point is in the same plane as points J, M, and Q? _______
h) What lines contain two of the four points: J, K, L, and M?
__________________________________________________________
j) What is the intersection of the plane JMP and plane PQL? _________
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1.2 Day 2 ­ Points, Lines, and Planes.notebook
September 02, 2015
Ex 3).
a) Name four points: _________________________________
b) Name two lines: ___________________________________
c) Name two planes: _________________________________
d) Name the intersection of the two planes: __________________
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1.2 Day 2 ­ Points, Lines, and Planes.notebook
September 02, 2015
Homework:
pg. 17 #1 ­ 26
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