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In an equilateral triangle, prove tha...

In an equilateral triangle, prove that three times the square of one side is equal to four times the square of one of its altitudes.

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In an equilateral triangle,prove that three xx the square of one side is equal to four xx the square of one of its altitudes.

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Knowledge Check

  • In an equilateral triangle of side 2a, calculate the length of its altitude.

    A
    `2asqrt3`
    B
    `asqrt3`
    C
    `asqrt3/2`
    D
    none of these

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