Section 6.4 Special Parallelograms Objective: Students will be able to use properties of diagonals of rhombuses and rectangles and to determine whether.

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Presentation transcript:

Section 6.4 Special Parallelograms Objective: Students will be able to use properties of diagonals of rhombuses and rectangles and to determine whether a parallelogram is a rhombus or a rectangle. Warm up Theorem 6-9 and Proof Theorem 6-10 Finding Angle Measures Theorem 6-11 Finding Diagonal Length Theorems 6-12, 6-13, 6-14 Homework

Theorem 6-9 Each Diagonal of a rhombus bisects two angles of the rhombus.

Theorem 6-10 The diagonals of a rhombus are perpenicular.

Theorem 6-11 The diagonals of a rectangle are congruent.

Theorem 6-12 If one diagonal of a parallelogram bisects two angles of the parallelogram, then the parallelogram is a rhombus. Theorem 6-13 If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus. Theorem6-14 If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle.

6.4 Homework Page 315: 1-15 odd