Question

What is the value of X?

Answer 1

58

Explanation:

The measure of an angle (51°) formed by a secant and a tangent from a point outside the circle is 1/2 the difference of the measures of the intercepted arcs (x° and 160°).

`51=(160-x)/(2)`

`102=160-x`

`x=160-102`

`x=58`