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Intersections. Definitions. Intersect: to meet and have a point or points in common Intersection: the point which 2 or more figures have in common. Postulate: Intersection of two lines. If two lines intersect, then their intersection is a point Examples By graphing.
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Definitions • Intersect: to meet and have a point or points in common • Intersection: the point which 2 or more figures have in common
Postulate: Intersection of two lines • If two lines intersect, then their intersection is a point • Examples • By graphing
Postulate: Intersection of two planes • If two planes intersect, then their intersection is a line. • examples • Using 2 pieces of paper cut to fit together
Examples and work together • p. 23 • p. 25 • Homework: WS 1-4