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maths

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find area of the triangle with the length of the side 36cm,48cm, and 60cm.

  • maths - ,

    Well, you could look Heron's formula, which works for any triangle, but you might have less work if you recognize that this is just a 3-4-5 right triangle scaled by a factor of 12.

    So, the area is just 1/2 * 36 * 48 = 864
    which is just the scaled version of 3-4-5:

    12^2 * 1/2 * 3*4 = 864

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