Protractor Angle Demo

Autor:rcsellers

Just a quick demonstration of why there are two scales on a protractor. Many students don't seem to have a good conceptual grounding in how they should reason through which scale to use.

Novos Materiais

Proving Triangles Similar: Multistep Transformations
Right Triangle Trig Ratios: sin, cos, tan
အခြေခံ data အခေါ်အဝေါ်များ
Line Through Two Points and Slope
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