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GeoGebra Třída

Angle Exploration

Autor:Stephanie van den Eikhof, Tim Brzezinski

The sum of angles in a triangle add up to 180

Exterior angle equals the sum of the non-adjacent angles

Vertical angles

Corresponding angles

Alternate interior angles

Alternate exterior angles

Supplementary angles

If two triangles have two of the same angles, then they are similar

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