MATH Flashcards
A four-sided polygon
Quadrilateral
A quadrilateral with ONE pair of parallel sides
Trapezoid
A quadrilateral with NO pair of quadrilateral sides
Kite
A quadrilateral with TWO pairs of parallel sides
Parallelogram
A parallelogram with all ANGLES are congruent
Rectangle
A parallelogram with all SIDES are congruent
Rhombus
A parallelogram with all SIDES and ANGLES are congruent
Square
Opposite SIDES of a parallelogram are _
Parallel/Congruent
Diagonals of a parallelogram _ each other
Bisect each other
Opposite ANGLES of a parallelogram are _
Congruent
Consecutive angles of a parallelogram are
SUPPLEMENTARY
States that the segment that joins the MIDPOINTS of two sides of a triangle is parallel to the third side and is half long
Triangle MIDLINE theorem
Is parallel to each of the bases and it’s length is half the sum of the lengths
Midsegment theorem on TRAPEZOID
Comparison between two quantities
Ratio
Equality between two RATIOS
Proportion
Two triangles are similar if they have two pairs of corresponding angles that are congruent
AA Similarity Theorem
If two triangles have proportional sides, they are similar
SSS Similarity Theorem
If two sides of one triangle are proportional to two corresponding sides of another triangle, and their corresponding included angles are congruent, the two triangles are similar
SAS Similarity Theorem
The square of the length of the hypotenuse is equal to the length of the sum of the squares of the lengths of the legs
Pythagorean theorem
The bisector of an angle separates the opposite sides into segments whose lengths are proportional to the lengths of the other sides
Angle bisector
