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It depends on what information you have.

Three sides,

Two sides and the included angle,

One side and two angles,

One side and perpendicular distance to opposite vertex.

There are other combinations that allow you to derive one or more of the above.

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The most basic method is base times the height, divided by 2.

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Q: How to find area of triangle?
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How you find the area of a triangle?

To find the area of a triangle, you have to multiply the base of the triangle and the height of the triangle, then divide the product of those numbers by two.


How do you find the area and perimiter of a triangle?

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Do you have to miltiply to find the area of a triangle?

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