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Lines, Angles, and Triangles

SAT Math· difficulty 2/5

A right triangle has legs of length 8 and 15. What is the length of the hypotenuse?

  • A

    161\sqrt{161}

  • B

    23

  • C

    17

    check_circle
  • D

    225\sqrt{225}

Explanation

82+152=64+225=2898^2 + 15^2 = 64 + 225 = 289. Hypotenuse =sqrt289=17= \\sqrt{289} = 17. (Pythagorean triple 8-15-17.)

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