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What is the formula for a triangle? Please help.

User Skeeve
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1 Answer

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7 votes

Answer:

  • Area of a triangle = 1/2 × b × h.

Explanation:

The area of a triangle is defined as the total region that is enclosed by the three sides of any particular triangle. Basically, it is equal to half of the base times height, i.e. A = 1/2 × b × h. For a right triangle, use the Pythagorean Theorem. For an isosceles triangle, use the area formula for an isosceles. If you know some of the angles and other side lengths, use the law of cosines or the law of sines.

User Roie
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