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Brain Twister: Looking for Mr. Right Triangle


Ready for this week’s challenging Brain Twister?


Right triangle DEF has a hypotenuse of less than 7. What is the maximum possible area of DEF, if the area of DEF is an integer?

Numeric Entry [_____________]


See you on Thursday for the answer and explanation!


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7 Responses to Brain Twister: Looking for Mr. Right Triangle

  1. Laveena November 6, 2014 at 9:55 pm #

    Yup got it!!

    Base=heigth=7/(root 2)=4.94


  2. Laveena November 6, 2014 at 1:45 am #

    10 ( half the product of 4 and 5)

    • Chris Lele
      Chris Lele November 6, 2014 at 3:31 pm #

      One way to work this problem is doing so backwards, thinking which two numbers, when squared, add up to one less than 7^2 (which is 48).

      Hope that helps!

  3. kishore November 4, 2014 at 2:54 am #

    ANS: 9 ?

    • Ramesh November 5, 2014 at 4:17 pm #

      12 it is ..

      • Chris Lele
        Chris Lele November 6, 2014 at 3:27 pm #

        Yes, that is it!

    • Chris Lele
      Chris Lele November 6, 2014 at 3:28 pm #

      Almost…think in terms of 45:45:90 triangles 🙂

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