* TRIANGLE FORMULAE:
If the three sides measure a, b and c, then the Triangle(3S) formula used by the calculator is: Triangle area = (s(s-a)(s-b)(s-c))½ where s is the "semiperimeter" of the triangle defined by the formula s = ½(a+b+c) |
If you've read The Perfect Sausage you'll know about semi-perimeter cows! |
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is perpendicular to the base! |
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the "A" and "B" measurements are shown here. |