Diagonals of Quadrilaterals

Parallelogram-Diagonals
What do you notice about the diagonals in a parallelogram? Manipulate the image to see if this remains true.
Rectangle-Diagonals
What do you notice about the diagonals in a rectangle? Manipulate the image to see if this stays true.
Rhombus-Diagonals
What do you notice about the diagonals in a rhombus? Manipulate the image to see if this stays true.
Square-Diagonals
What do you notice about the diagonals in a square? Manipulate the image to see if this stays true.
Trapezoid-Diagonals
What do you notice about the diagonals in a trapezoid? Manipulate the image to see if this stays true.
Isosceles Trapezoid-Diagonals
What do you notice about the diagonals in an isosceles trapezoid? Manipulate the image (move point A) to see if this stays true.
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Information: Diagonals of Quadrilaterals