It's about 20 units
Hope this helped :)
The answer for this question is 9 I
SOLUTION
Consider the property, opposite angle of a cyclic quadrilateral are supplementary
hence

Recall that

Hnece, we have that

Then

Hence
x=17
Since

Therefore
The measure of angle NOP is 68⁰
Answer; 68⁰ (The fourth Option )
Heya....
your answer is:
All rational numbers are not integers. But all integers are rational numbers.
The statement is false.
It may help you...☺☺