In the diagram below, OO is circumscribed about quadrilateral ABCD. What is
the value of x?
B
A
93
O
x+30°
D
OA. 57
OB. 117
OC. 123
OD. 63

In the diagram below OO is circumscribed about quadrilateral ABCD What is the value of x B A 93 O x30 D OA 57 OB 117 OC 123 OD 63 class=