Copy of Properties of a Parallelogram

Use this applet to discover properties of every parallelogram.

[size=200][b][color=#ff0000]You will not use the "show slopes" button because we are not interested in slopes. [/color][/b][/size]

[size=200][b][color=#0000ff]Click on any vertex of the quadrilateral to change its size to help you answer the questions below.[/color][/b][/size]

[size=150][b][color=#cc0000]Click on the "show diagonals" button. What is true of segments DE and EB?[/color][/b][/size]

The segments are not congruent The segments are congruent

[size=150][b][color=#cc0000]What is true of segments AE and EC?[/color][/b][/size]

The segments are not congruent. The segments are congruent

[b][color=#cc0000]Is segment DE congruent to segment AE? Explain your answer.[/color][/b]

[size=150][b][color=#cc0000]Uncheck the "show diagonals" button and click on the "show segment lengths" button. Which pair of segments are congruent? [/color][/b][/size]

segment DA and CB segment CB and AB segment AB and DC segment AD and DC

[size=150][b][color=#cc0000]Move the sides around until all sides have an equal length. [/color][/b][/size] [size=150][b][color=#cc0000]Is the resulting parallelogram a square? Explain.[/color][/b][/size]

[size=150][b][color=#cc0000]If the resulting parallelogram is not a square, what would it be?[/color][/b][/size]

rectangle trapezoid rhombus

[size=150][b][color=#cc0000]Uncheck the "show segment lengths" button. Click on the angles button. Which angle pairs are congruent? [/color][/b][/size]

angle A and angle D angle B and angle C angle D and angle B angle C and angle A

[b][color=#cc0000][size=150]Using your calculator add angles A and angle D together (don't forget to include decimals). What is your answer? [/size][/color][/b]

360 degrees 90 degrees 180 degrees

Copy of Properties of a Parallelogram

Information: Copy of Properties of a Parallelogram