Answer:
x = 5.1
Explanation:
The radius of the circle is 14.9
Using Pythagoras' identity in the right triangle on the left where the hypotenuse is the radius
x² + 14² = 14.9²
x² + 196 = 222.01 ( subtract 196 from both sides )
x² = 26.01 ( take the square root of both sides )
x =
= 5.1