Open Middle: Building Parallelograms

YOUR TASK:
Move points A, B, C, and/or D to create a parallelogram below. Be sure NO COORDINATE REPEATS!
In the app above, use any one (or more) GeoGebra tools to clearly show how you know the quadrilateral you just formed is a parallelogram. Below, explain how what you did above illustrates how your quadrilateral is a parallelogram.
Font sizeFont size
Very smallSmallNormalBigVery big
Bold [ctrl+b]
Italic [ctrl+i]
Underline [ctrl+u]
Strike
Superscript
Subscript
Font color
Auto
Justify
Align left
Align right
Align center
• Unordered list
1. Ordered list
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
Remove Format
Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
Move points A, B, C, and/or D to create a different parallelogram from the one you created above. Be sure NO COORDINATE REPEATS!
In the app above, use any one (or more) GeoGebra tools to clearly show how you know the quadrilateral you just formed is a parallelogram. Below, explain how what you did above illustrates how your quadrilateral is a parallelogram.
Font sizeFont size
Very smallSmallNormalBigVery big
Bold [ctrl+b]
Italic [ctrl+i]
Underline [ctrl+u]
Strike
Superscript
Subscript
Font color
Auto
Justify
Align left
Align right
Align center
• Unordered list
1. Ordered list
Quote [ctrl+shift+3]
[code]Code [ctrl+shift+4]
Insert table
Remove Format
Insert image [ctrl+shift+1]
Insert icons of GeoGebra tools
[bbcode]
Text tools
Insert Math
Close

Information: Open Middle: Building Parallelograms