Mathematics

Question

plzzz help me i can not find it nowhere
plzzz help me i can not find it nowhere

1 Answer

  • Answer: D. 50

    Step-by-step explanation:

    the sum of opposite angles of a cyclic quadrilateral are always 180 degrees

    80 +2x= 180

    2x= 180 - 80

    x= 100/2

    x= 50