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The area of ANY triangle is base x height. The height must be measured perpendicular to the base.

In the case of an isosceles triangle, if you know only the length of the sides, you can figure out the height by Pythagoras' Theorem.

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14y ago
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Anonymous

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4y ago

How do you figure out the figure is formed by a square and an isosceles trapezoid what is the area of the figure 7 in wide by 5 inches by 5 inch by 5.5

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Q: How do find the area of an isosceles tringle?
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