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6.7 Polygons in the Coordinate Plane

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Presentation on theme: "6.7 Polygons in the Coordinate Plane"— Presentation transcript:

1 6.7 Polygons in the Coordinate Plane
Formulas and the coordinate plane Distance formula To determine whether sides are congruent. To determine if diagonals are congruent. Midpoint formula To determine the coordinates of the midpoint of a side. To determine whether diagonals bisect each other. Slope formula To determine whether opposite sides are parallel. To determine whether diagonals are perpendicular. To determine whether sides are perpendicular.

2 Classifying a Triangle
Is triangle ABC scalene, isosceles, or equilateral.

3 Classifying a Triangle
ABC is an isosceles triangle.

4 Classifying a Parallelogram
Is parallelogram ABCD a rhombus? Explain. Since the slopes are not opposite reciprocals, the diagonals are not perpendicular. Therefore, ABCD is not a rhombus.

5 Classifying a Quadrilateral
A kite is shown. What is the most precise classification of the quadrilateral formed by connecting the midpoints of the sides of the kite?

6 Opposite sides are congruent
Opposite sides are congruent. Sides are vertical and horizontal, making them perpendicular. Therefore, ABCD is a rectangle.

7 More Practice!!!!! Homework – Textbook p. 403 #5 – 16 ALL.

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