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Unit 5 (to use criteria to prove that a parallelogram is a rectangle,…
Unit 5
to use criteria to prove that a parallelogram is a rectangle, rhombus, or square
if an angle of a parallelogram is a right angle, then the parallelogram is a rectangle
Housebuilder Theorem: if the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle
if the diagonals of a parallelogram bisect the angles of a parallelogram, then the parallelogram is a rhombus
if the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus
if two consecutive sides of a parallelogram are congruent, then the parallelogram is a rhombus
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