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Vocabulary 1
Theorems 1-5
Theorem 6-10
Theorem 15-20
Vocabulary 2
100
the segment that connects any two noncosecutive vertices
What is a diagonal
100
if a quadrilateral is a parallelogram, then its opposite sides are congruents
What is theorem 6.3
100
If a quadrilateral is a parallelogram, then its diagonals bisect each other
What is theorem 6.7
100
if a parallelogram is a rhombus, then each diagonal bisects a pair of opposite angles
What is theorem 6.16
100
nonparallel sides on a trapezoid
What is legs
200
Quadrilateral with both pairs of opposite sides parallel
What is parallelogram
200
If a quadrilateral is a parallelogram, then its consecutive angles are supplementary
What is theorem 6.5
200
If both pairs of opposite angles of a quadrilateral are congruents, then teh quadrilateral is a parallelogram
What is theorem 6.10
200
If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus
What is theorem 6.17
200
the parallel sides on a trapezoid
What is base
300
A parallelogram with four right angles
What is a rectangle
300
the sum of the interior angle measures of an n-sided convex polygon is (n-2)180
What is theorem 6.1
300
If a parallelogram has one right angle, then it has four right angles
What is theorem 6.6
300
If a quadrilateral is both a rectangle and a rhombus, then it is a square
What is theorem 6.20
300
quadrilateral with exactly one pair of parallel sides
What is trapezoid
400
A parallelogram with all four sides congruent
What is a rhombus
400
If a quadrilateral is a parallelogram, then its opposite angles are congruent
What is theorem 6.4
400
If a quadrilateral is a parallelogram, then each diagonal separates the parallelogram into two congruent triangles
What is theorem 6.8
400
If a parallelogram is a rhombus, then its diagonals are perpendicular
What is theorem 6.15
400
angles formed by a base and a leg on a trapezoid
What is base angles
500
A parallelogram with four congruent sides and four right angles
What is a Square
500
the sum of the exterior angle measures of a convex polygon, one angle at each vertex is 360
What is theorem 6.2
500
If both pairs of opposite sides of a quadrilateralare congruent, then the quadrilateral is a parallelogram
What is theorem 6.9
500
If one diagonal of a parallelogram bisects a pair of opposite angles, then the parallelogrm is a rhombus
What is theorem 6.18
500
When the legs of a trapezoid are congurent
What is an isosceles trapezoid