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13 August, 16:38

Each side of an equilateral triangle measures 9 cm. Find the height, h, of the triangle.

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  1. 13 August, 17:04
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    Each side is 9 so half it is 4.5.

    Pythagoras a^2 + b^2 = c^2 but rearranged.

    9^2 - 4.5^2 = c^2

    c^2 = 60.75

    c = 7.7942286

    c is the height, h.
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