Question

Find the values of a and b.

Answer 1

I hope you can all see the 8, b and 5 :)

Answer 2

you can make use of the tangent and secant formula's shown here: http://www.mathwarehouse.com/geometry/circle/tangent-secant-side-length.php

Answer 3

I actually want to solve it using these formulas :P But idk here it's like so complicated here.. there's like 3 segments and idk where is where I just know like the simple ones! A tangent with two segments or something like that :)