A quadrilateral with four ____ angles is a ____. Theorem 6.3A: If a ____ is a rectangle, then it is a ____. Theorem 6.3B: If a parallelogram is a rectangle, then its ____ are ____. Theorem 6.3C: If one angle of a parallelogram is a ____, then the ____ is a rectangle Theorem 6.3D: If the diagonals of a parallelogram are ____, then the parallelogram is a ____ Theorem 6.3E: If two congruent angles are ____, then each angle is a ____ angle. All ____ are ____. All ____ are ____. All ____ are ____.

Geometry B Unit 6 Lesson 3

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