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You are reading an older version of this FlexBook® textbook: CK-12 Geometry - Basic Go to the latest version.

6.7: Study Guide

Difficulty Level: At Grade Created by: CK-12

Keywords: Define, write theorems, and/or draw a diagram for each word below.

1^{st} Section: Angles in Polygons

Polygon Sum Formula

Equiangular Polygon Formula

Regular Polygon

Exterior Angle Sum Theorem


2^{nd} Section: Properties of Parallelograms

Parallelogram Opposite Sides Theorem

Opposite Angles Theorem

Consecutive Angles Theorem

Parallelogram Diagonals Theorem


3^{rd} Section: Proving Quadrilaterals are Parallelograms

Opposite Sides Theorem Converse

Opposite Angles Theorem Converse

Consecutive Angles Theorem Converse

Parallelogram Diagonals Theorem Converse

Theorem 6-10


4^{th} Section: Rectangles, Rhombuses, and Squares

Rectangle Theorem

Rhombus Theorem

Square Theorem

Theorem 6-14

Theorem 6-15

Theorem 6-16


5^{th} Section: Trapezoids and Kites

Trapezoid Isosceles Trapezoid

Theorem 6-17

Theorem 6-17 Converse

Isosceles Trapezoid Diagonals Theorem

Midsegment (of a trapezoid)

Midsegment Theorem


Theorem 6-21

Theorem 6-22

Kite Diagonals Theorem


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