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Quadrilateral Sum Investigation
Use the quadrilateral below to answer the questions provided.
Add angles A, B, C, and D. What is the total sum?
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Click and drag the vertices of the quadrilateral to new locations. Add the new measures of angles A, B, C, and D. What is the new sum?
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Normal
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[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
Link
[ctrl+shift+2]
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
Does the total sum of angles shown in the quadrilateral change if you change the size or shape of the figure?
No
Yes
So, the interior angles of a quadrilateral always add to what value?
Font size
Font size
Very small
Small
Normal
Big
Very 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
Link
[ctrl+shift+2]
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
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Information: Quadrilateral Sum Investigation
