Section 6.6 Polygons in the Coordinate Plane

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Presentation transcript:

Section 6.6 Polygons in the Coordinate Plane OBJECTIVE: To classify polygons in the coordinate plane BIG IDEA: Coordinate Geometry ESSENTIAL UNDERSTANDING: The formulas for slope, distance and midpoint can be used to classify and to prove geometric relationships for figures in the coordinate plane. MATHEMATICAL PRACTICE: Make sense of problems and persevere in solving them

Concept Summary Relationships among Quadrilaterals SEVEN SPECIAL TYPES OF QUADRILATERALS: each shape has all the properties of the shapes linked above it

Formulas and the Coordinate Plane When to Use it Distance Formula To determine whether: Sides are congruent Diagonals are congruent Midpoint Formula To determine: The coordinates of the midpoint of a side Whether diagonals bisect each other Slope Formula Opposite sides are parallel Diagonals are perpendicular Sides are perpendicular

EX: What kind of quadrilateral is ? 1.

EX: What kind of quadrilateral is ? 2.