Quadrilateral Family Tree
By: Jessica Doyle and Charlotte Sidman
Definitions-
Quadrilateral: A four sided figure.
- Closed four sided figure
Parallelogram: A four sided plane recticlinear figure with opposite sides parallel.
- diagonals bisect eachother
- opposite angles are congruent
- opposite sides are congruent
- consecutive angles are supplementary
Rectangle: A plane figure with four straight sides and four right angle, esp. one with unequal adjacent sides, in contrast to a square.
- opposite sides congruent
- opposite angles are congrunt
- consecutive angles are supplementary
- diagonals bisect each other
- all four angles are right
- diagonals are congruent
Rhombus: A parallelogram with opposite equal acute and obtuse angles and four equal sides.
- diagonals are perpendicular
- diagonals bisects a pair of opposite sides
- diagonals bisect eachother
- opposite angles are congruent
- opposite sides are congruent
- consecutive angles are supplementary
Square: A plane figure with four straight sides and four right angles. All sides and angles congruent.
- opposite sides congruent
- opposite angles are congrunt
- consecutive angles are supplementary
- diagonals bisect each other
- all four angles are right
- diagonals are congruent
- diagonals are perpendicular
- all sides congruent
Trapezoid: A type of quadrilateral with only one pair of parallel sides.
- only one pair of parallel sides
- leg angles are supplementary
- the midsegment is parallel to the two bases
- the midsegmenty is the average of the two bases
Now lets see that tree ONE more time :)
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