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Theorems
More Theorems
Polygons
Shapes
100
When a quadrilateral is a kite, then its diagonals are perpendicular.
What is Theorem 6.18?
100
When one pair of opposite sides of a quadrilateral are congruent and parallel, then the quadrilateral is a parallelogram.
What is Theorem 6.10?
100
Has 4 sides.
What is a Quadrilateral?
100
A parallelogram with 4 congruent sides.
What is a Rhombus?
200
When a quadrilateral is a kite, then exactly one pair of oppostie angles are congruent.
What is Theorem 6.19?
200
When both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
What is Theorem 6.6?
200
Has 5 sides.
What is a Pentagon?
200
A quadrilateral that has 2 pairs of consecutive congruent sides, but in which opposites sides are not congruent.
What is a Kite?
300
When the midsegment of a trapezoid is parallel to each base and its length is one half the sum of the bases.
What is Theorem 6.17?
300
When both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
What is Theorem 6.7?
300
Has 7 sides.
What is a Heptagon?
300
A 4 sided polygon.
What is a Quadrilateral?
400
When a parallelogram is a rhombus if and only if its diagonals are perpendicular.
What is Theorem 6.13?
400
When an angle of a quadrilateral is supplementary to both of its consecutive angles, then the quadrilateral is a parallelogram.
What is Theorem 6.8?
400
Has 8 sides.
What is A octagon?
400
A quadrilateral with exactly one pair of parallel sides, called bases.
What is a Trapezoid?
500
When a parallelogram is a rectangle if and only if its diagonals are congruent.
What is 6.13
500
When the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram.
What is Theorem 6.9?
500
Has 10 sides.
What is a Decagon?