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The height of an equilateral triangle …

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The height of an equilateral triangle is 6cm find the area of the triangle

    • Posted by Anishka Arora 8 years, 3 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Soumya Ghoshal 8 years, 3 months ago

    Height of equilateral triangle,

    {tex}\frac{{√3a}}{2}=6{/tex}

    or,√3a=12

    or,a=12÷√3

    or,a=4√3

    Area of this triangle {tex}\frac{{√3a²}}{4}{/tex}

        putting the value of a we get, {tex}\frac{{√3×4√3×4√3}}{4}{/tex}

    =12√3cm²

    1Thank You

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