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An equilateral triangle has an altitude of 21 inches. What is the side length of the triangle?

14√2
7√2
7√3
14√3

55 points simple question!

User JeroenE
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1 Answer

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Hey, here’s your answer :)
An equilateral triangle has an altitude of 21 inches. What is the side length of the-example-1
User Ray Shih
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