How to find the area of an equilateral triangle when only the length of the sides are given?

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• A (√3/4) × a²
• B (3/4) × a²
• C 1/2 × b × h
• D None of the above

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Answer: A. (√3/4) × a²

The area of an equilateral triangle with side a is (√3/4) × a².

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