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13 Cards in this Set
- Front
- Back
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Theorem 7.1
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If a quadrilateral is a parallelogram, then its opposite sides are congruent.
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Theorem 7.12
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A parallelogram is a rectangle if and only if its diagonals are congruent.
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Theorem 7.3
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If a quadrilateral is a parallelogram, then its consecutive angles are supplementary
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Theorem 7.10
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A parallelogram is a rhombus if and only if its diagonals are perpendicular.
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Theorem 7.5
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Converse of 7.1
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Theorem 7.8
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Converse of 7.4
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Theorem 7.7
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Converse of 7.3
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Theorem 7.6
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Converse of 7.2
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Theorem 7.9
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If one pair of opposite sides of a quadrilateral are congruent and parallel, then the quadrilateral is a parallelogram.
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Theorem 7.4
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If a quadrilateral is a parallelogram, then its diagonals bisect each other.
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Theorem 7.11
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A quadrilateral is a rhombus if and only if each diagonal bisects a pair of opposite angles.
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Theorem 7.2
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If a quadrilateral is a parallelogram, then its opposite angles are congruent.
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Theorem 7.13
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A parallelogram is a square if and only if its diagonals are both perpendicular and congruent.
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