Warm up #2

1-2 POINTS, LINES, AND PLANES (DAY 2)

RECALL--Intersection: set of points where 2 figures meet or cross

• Where is the intersection of:• A point and a line• 2 lines• Line and a plane• 2 planes

At a pointAt a point

At a point or in a line

At a line

Practice together:• 1) Name 3 NON-coplanar points.

• 2) Name the intersection of the 2 planes

• 3) Are points N, O, P on both planes?

Example

TWAP! (Try with a partner)

Example

TWAP

TOO (Try on own!) Hold fingers up!

Answer: D

BG

Homework

• Pg. 16 # 3, 15 – 26 all, 27 – 31 odd, 40 – 45 all