1. Work out which side of the triangle is the one with the missing value. The hypotenuse is the longest side, which is directly opposite the right angle. The adjacent sides to the
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pythagorean therom add them both together and subtract from 180. vv LAW OF COSINE vv. a^2 = b^2 + c^2  2(b)c)CosA. Other Answer. 1) If you have a perimeter you can subtract the first
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To find the area of a triangle, multiply the length of the base by the height of the triangle, then multiply the answer by one half, which is the same as dividing by 2.
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The pythagorean equation(c^2=a^2+b^2)
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