Wednesday, July 14, 2010

Maths Triangle Angles

Today in Maths we learnt about triangles. More specifically, we learnt about the third angle of a triangle and about the reverse angles of a triangle. What I mean by this is...

Third Angle:


1st interior angle + 2nd interior angle = x


180 - x = 3rd interior angle











Reverse Angle:


1st interior angle + 2nd interior angle = 1st exterior angle


Does anyone know any other formulas involving the angles or sides of a triangle?

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