Question

Solve for x then find the measures of arc mn

Answer 1

For this case since the lines passed thourgh the center of the circle we need to satisfy this:

10 x -45= 6x -1

Solving for x we got:

10x -6x = 45-1

4x = 44

x = 11

Then we can find the arc mn

arc mn = 10*11 -45 = 65º