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GeoGebra Classroom

Copy of Area of a triangle

Autore:cgreer13, Duane Habecker

Use this applet to see one reason why the formula for the area of a triangle is 1/2(bh).

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Ms. James' Isosceles Triangle Theorem
If a line segment joining two points subtends equal angles at two other points lying on the same side of the line containing the line segment, then the four points are concyclic
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