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4 June, 01:59

Given the altitude of an equilateral triangle is 12 cm, find the exact perimeter of the triangle

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  1. 4 June, 03:00
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    Altitude=√3a/2=12 (a the side of the equilateral triangle)

    a=24/√3=8√3cm

    perimetre=3a=3*8√3=24√3cm
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