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Lines, Angles, and Triangles

SAT Math· difficulty 3/5

Each exterior angle of a regular polygon is 24°24°. What is the sum of its interior angles?

  • A

    1800°1800°

  • B

    2160°2160°

  • C

    2340°2340°

    check_circle
  • D

    2520°2520°

Explanation

n=36024=15n=\frac{360}{24}=15. Sum of interior angles =180(15−2)=180(13)=2340°=180(15-2)=180(13)=2340°.

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