| Heron's formula is used to calculate the area A of a triangle where the lengths of all three sides are given.
Rules:
Note: Heron's formula is not used when the height of the triangle is known - too much work! |
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Interactivity: Heron's formula Directions for interactivity 1. Click and drag the sliders to change \triangle ABC . 2. Click and drag the point C to move and the point a A to rotate.
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Related topics:
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