Question

O is the center of the circle. Assume that lines that appear to be tangent are tangent. What is the value of x?

Answer 1

where is the diagram??

Answer 2

there

Answer 3

Tangent line and radius form 90o angle, so
90 + 12 + x = 180

Answer 4

78

Answer 5

@douglaswinslowcooper is the answer 78

Answer 6

yes

Answer 7

thanks :)

Answer 8

yes