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19 Cards in this Set

  • Front
  • Back
What is the deffinition of a Trapezoid?
1 pair of parallel sides
How do you know if a shape is a quadrilateral?
Four sides
What shape has...1 pair of parallel sides and the other pair congruent?
Isosceles Trapezoid
What is the deffinition of a parallelogram?
2 pair of opposite sides parallel
What shapes are deffined by 4 right angles?
Square, Rectangle
What is the deffinition of a kite?
2 pair of adjacent sides congruent
What shape has 4 congruent sides?
A rhombus
Which shape is a rectangle and a rhombus?
A square
What are the properties of a trapezoid?
Consecutive angles supplementary, median parallel to both bases
What is the equation to find the median?
base plus base divided by 2
What are the properties of an Isosceles Trapezoid?
2 pair of base angles congruent, diagonals congruent
What are the 5 properties of a parallelogram?
-2 pair of oppsite angles congruent
-2 pair of opposite sides congruent
-1 pair of opposite sides congruent and parallel
-diagonals bisect each other
-1 right angle=4 right angles
Which shapes are not parallelograms and why?
Rhombus, Kite- they do not have 2 parallel sides
In order to prove a shape is a trapezoid what is needed?
2 slopes to prove parallel sides
What shape would require the distance of two diagonals to prove?
Isosceles trapezoid
A parallelogram requires what formula to prove itself?
2 midpoints to prove the diagonals bisect each other
A rectangle requires what information to prove itself?
4 slopes to prove perpendicular angles
A rhombus requires what information to prove itself?
4 distances of sides congruent, slopes of diagonals perpendicular, midpoints of diagonals the same
What information is required to prove a shape to be a square?
2 slopes of diagonals perpendicular, 2 distances of diagonals congruent