geometry quadritlaterals
Terms
undefined, object
copy deck
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opposite sides...
opposite angles -
of a parallelogram are congruent.
of a parallelogram are congruent. - Diagonals...
- of a parallelogram bisect each other.
- if both pairs of opposite sides...
- of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
- if one pair of opposite sides..
- of a quadrilateral are both congruent and parallel then the quadrilateral is a parallelogram.
- if both pairs of opposite angles...
- of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
- if the diagonals of a quadrilateral...
- bisect each other, then the quadrilateral is a parallelogram.
- If two lines...
- are parallel, then all points on one line are equisistants from the other line.
- if three...
- parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal.
- a line...
- that contains the midpoint of one side of a triangle and is parallel to another sire passes through the midpoint of the third side.
- 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 -
diagonals of a rhombus
diagonals of a rectangle
each diagonal of a rhombus -
are congruent
are perpendicular.
bisects two angles of the rhombus. - THe midpoint of the hypotenuse...
- of a right triangle is equidistant from the three vertices.
- If two consecutive sides...
- 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. - the median of a trapezoid...
-
is parallel to the bases
has a length equal to the average of the bases.