# 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.