Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 15)
To find the area of a triangle knowing all three sides (a, b, c), which formula is appropriate?
1/2 * ab * sinC
Heron's Formula
1/2 * base * height
All the above
Explanation
Heron's formula, Area = √s(s-a)(s-b)(s-c) (where s = (a+b+c)/2), is used.
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