Incenter & Incircle (A)

Interact with the applet below for a few minutes. Be sure to change the locations of the triangle's BIG WHITE VERTICES each time before you re-slide the slider!
1) What are the first constructions being made? i.e. what do the green, pink, and blue sectors showing you?
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• Unordered list
1. Ordered list
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[code]Code [ctrl+shift+4]
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The Purple circle is called an INCENTER. Why do you thing this is the case?
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
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Information: Incenter & Incircle (A)