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The area of a triangle (At) is one half the length of the base (b) times the height (h).

Atriangle = 0.5bh

The height of a triangle is the length of the line drawn perpendicular (at right angles to) to the base from the angle opposite the base.

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Q: How do you find the area of a triangle if you know the length of all three sides?
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How do you find the area of a triangle while knowing the length of three sides?

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