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15 Cards in this Set
- Front
- Back
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opposite sides...
opposite angles |
of a parallelogram are congruent.
of a parallelogram are congruent. |
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Diagonals...
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of a parallelogram bisect each other.
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if both pairs of opposite sides...
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of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
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if one pair of opposite sides..
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of a quadrilateral are both congruent and parallel then the quadrilateral is a parallelogram.
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if both pairs of opposite angles...
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of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
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if the diagonals of a quadrilateral...
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bisect each other, then the quadrilateral is a parallelogram.
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If two lines...
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are parallel, then all points on one line are equisistants from the other line.
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if three...
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parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal.
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a line...
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that contains the midpoint of one side of a triangle and is parallel to another sire passes through the midpoint of the third side.
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The segment...
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that joins the midpoints of two sides of a triangle
1) is parallel to the third side 2) is half as long as the third side |
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diagonals of a rhombus
diagonals of a rectangle each diagonal of a rhombus |
are congruent
are perpendicular. bisects two angles of the rhombus. |
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THe midpoint of the hypotenuse...
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of a right triangle is equidistant from the three vertices.
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If two consecutive sides...
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of a parallelogram are congruent, then the parallelogram is a rhombus.
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Base angles of...
If an angle of a parallelogram... |
a isosceles trapezoid are congruent.
is a right triangle, then the parallelogram is a rectangle. |
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the median of a trapezoid...
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is parallel to the bases
has a length equal to the average of the bases. |
