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Proving sum of angles of triangle

Author:: camille_1

Explore proof that interior angles of triangle sum to 180 degrees.

GeoGebra Applet

Discover Resources

Param3
ListSpreadsheet
Olimpiada Pitești 1 Midle.
reflecting
optional

New Resources

Function Operations
KELILING LINGKARAN
9.1.3 Pre #1103407 option D
Multiply by i vectors
TriPrismGeoSim

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