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