Question

Find the value of each variable. For each circle, the dot represents the center.

Answer 1

so the rule is.... if you have an INSCRIBED angle, that is 2 lines meeting somewhere and touching the circle
the intercepted arc is twice the angle
or
the angle made by the 2 lines or segments, are half the intercepted arc

so

Answer 2

and all your pictures there pretty much use that

Answer 3

so for
7) the answer is 180 ?

Answer 4

let's the a peek at the 1st one, 7) the angle is a right-angle....
yeap, 180 is right :)

Answer 5

ok so how do i do
9)

Answer 6

you can pretty much see what they're, since the arcs are given

Answer 7

im not sure what you mean....

Answer 8

so... what do you think they're? recall that