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A Triangle's Angles
Author:
Steve Kifowit
The sum of the measures of the interior angles of any triangle is 180°.
GeoGebra
New Resources
Making New Year's resolutions for 2026
Volume by Disk/Washer around y
Shells
Reflection = 180° Rotation about a Line
Triangle with 3 Right Angles
Discover Resources
Final Final Project XXX
Forum_36386_G_trailingZero
Grid 1 scale
equilateral triangle
Pattern
Worksheet 2, Exercise 3
Discover Topics
Geometric Distribution
Fractal Geometry
Set Theory
Percentages
Pyramid