Question

Find the value of x.

Answer 1

a.12
b.14
c.8
d.10

Answer 2

any suggestions @agent0smith

Answer 3

Yeah i knew it was something involve half of two of the arcs added together...

Answer 4

@stgreen not really

Answer 5

i keep getting 151250

Answer 6

a=30
b=5x
c=110

Answer 7

I found another theorem here , that has a different formula.

http://www.mathopenref.com/secantangles.html

p = angle outside circle
plugging in the values

30 = 110 - 5x/2
60 = 110 - 5x subtracting 110
-50 = -5x div. by -5
x=10