Multiple Choice Question (MCQ)

The lengths of the 2 legs of right triangle △ABC shown below are given in inches 24, 32 respectively . The midpoint of AB is how many inches from A ?


  1. ×

    20

  2. ×

    30

  3. ✓

    40

  4. ×

    45

Collected in the board: Triangle

Steven Zheng posted 2 years ago

Answer

  1. The lengths of the 2 legs of the right triangle is 24 and 32, which can be factorized to

    24 = 8\times3

    32=8\times4

    So the length of the sides of this triangle are the multiples of the famous right triangle with side in Pythagorean Triplet 3-4-5.

    So the length of the hypotenuse of the right triangle is

    8\times5 = 40

    So C is the correct option

Steven Zheng posted 2 days ago

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