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19 March, 18:03

An equilateral triangle has an altitude of 4.8in. What are the length of the sides? Round to the nearest tenth.

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  1. 19 March, 21:40
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    5.5 in

    Step-by-step explanation:

    The altitude is (√3) / 2 times the length of a side, so the side length is the inverse of that times the length of the altitude:

    side length = (2/√3) (4.8 in) ≈ 5.5 in
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