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Match Heron's formula components for triangle area:

A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
s = (a+b+c)/2. Heron's area = √(s(s-a)(s-b)(s-c)). Equilateral area = (√3/4)a².
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