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Activity Discussion Math Pythagoras theorem Reply To: Pythagoras theorem

  • Adityava Majumder

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    June 23, 2023 at 5:36 pm
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    ::

    As per Pythagoras theorem,

    the square of length of hypotenuse (3rd or non perpendicular side) = Sum of squares of two perpendicular sides.

    Here let us name the two perpendicular sides as a= 5 , b=8 and the 3rd side as c (the hypotenuse)

    So using Pythagoras theorem:-

    c^2 = a^2 + b^2

    => c^2 = 5^2 + 8^2

    => c^2 = 25 +64

    => c^2 = 89

    => c = √89

    => c = 9.434 (approximate) is the length of 3rd side

    (note: students not having access to calculators can stop at the c = √89 step which is also correct )👍

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