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HS Freshman Honors Geometry Chapter 5 - ALL Theorems

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Question
Answer
5-1   Opposite sides of a parallelogram are congruent  
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5-2   Opposite angles of a parallelogram are congruent  
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5-3   Diagonals of a parallelogram bisect each other  
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5-4   If both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram  
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5-5   If one pair of opposite sides of a quadrilateral are both congruent and parallel, then the quadrilateral is a parallelogram  
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5-6   If both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram  
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5-7   If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram  
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5-8   If two lines are parallel, then all points on one line are equidistant from the other line  
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5-9   If three parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal  
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5-10   A line that contains the midpoint of one side of a triangle and is parallel to another side passes through the midpoint of the third side  
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5-11   The segment that joins the midpoints of two sides of a triangle is parallel to the third side and half as long as the third side  
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5-12   The diagonals of a rectangle are congruent  
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5-13   The diagonals of a rhombus are perpendicular  
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5-14   Each diagonal of a rhombus bisects two angles of the rhombus  
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5-15   The midpoint of the hypotenuse of a right triangle is equidistant from the three vertices  
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5-16   If an angle of a parallelogram is a right angle, then the parallelogram is a rectangle  
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5-17   If two consecutive sides of a parallelogram are congruent, then the parallelogram is a rhombus  
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5-18   Base angles of an isosceles trapezoid are congruent  
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5-19   The median of a trapezoid is parallel to the bases and has a length equal to the average of the base lengths  
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