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A Triangle's Angles
Author:
Lndsay Flanagan
,
Steve Kifowit
The sum of the measures of the interior angles of any triangle is 180°.
GeoGebra
New Resources
Road Runner (beep, beep)
Periodic Functions
探究由平行線和截線所成的角
Cube of a Binomial - Volume Model
Exploring Simple Loci 探究簡單軌跡
Discover Resources
Transformations40
Why Positive Reals have 2 square roots
สามเหลี่ยมพีทาโกรัส
Untitled
APP-Linear
Discover Topics
Step Functions
Subtraction
Algebra
Integers
Symmetry