Question

Pretest: Unit 3Question 4 of 44In the diagram below, OP is circumscribed about quadrilateral ABCD. What isthe value of x?B120°D

Answer 1

Solution

Recall: The opposite angles of a cyclic quadrilateral have a total of 180$\begin{gathered} x+120=180(supplementary) \\ x=180-120 \\ x=60^0 \\ \end{gathered}$The final answer Option A