# Math Help - Find the Distance

1. ## Find the Distance

. A cyclist at 'C' is cycling towards 'B'. How far will he have to cycle from C before he is equidistant from both A and B ?

(1) 4 km

(2) 3 km

(3) 6 km

(4) 5 km

2. ## Re: Find the Distance

So...

$\sqrt{x^2+16}=8-x$