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Lines, Angles, and Triangles

SAT Math· difficulty 3/5

A right triangle has hypotenuse 25 and one leg of length 7. What is the length of the other leg?

  • A

    24

    check_circle
  • B

    32\sqrt{32}

  • C

    32

  • D

    18

Explanation

72+b2=2527^2 + b^2 = 25^2, so b2=625−49=576b^2 = 625 - 49 = 576, giving b=24b = 24. (Pythagorean triple 7-24-25.)

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