Lines, Angles, and Triangles

SAT Math· difficulty 2/5

Adjacent angles of a parallelogram are supplementary. If one is 70°70°, what is the other?

  • A

    70°70°

  • B

    110°110°

    check_circle
  • C

    20°20°

  • D

    90°90°

Explanation

18070=110°180-70=110°.

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