What is the name of the formula used to find the area of a triangle given only the lengths of all three sides?
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Heron's Formula
Heron's Formula uses the semi-perimeter 's' to calculate area as √[s(s-a)(s-b)(s-c)]. It is particularly useful when the height of the triangle is unknown.
Also asked as:
- What formula allows for the calculation of a triangle's area using only its side lengths, without knowing the height?