here is my answer. i beleive i answered all of them. but i answered all i know hope it helps!
There's a theorem for this: the angle made by two intersecting secants of a circle has a measure equal to half the difference of the arcs the secants intercept. In this case,
<em>x</em> = (130° - 30°) / 2 = 50°
Subtract 2x. (It would look like 4y=-2x+10
ANSWER
D. 105°
EXPLANATION
Both angles YOZ and WOX are central angles that intersect two congruent arcs. Therefore, both angles have the same measure, 105°.
