Question

Solve for x, please show work!

Answer 1

x = 3°

Explanation:

The external angle where secants/tangents meet is half the difference of the intercepted arcs.

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Here, that means ...

18x = (1/2)(194° -86°)

18x = 1/2(108°) = 54° . . . . . simplify

x = 3° . . . . . . divide by 18