If a secant<span> and a </span><span>tangent of a circle </span><span>are drawn from a point outside the circle, then the product of the lengths of the secant and its external segment equals the square of the length of the tangent segment. </span><span> y</span>² = 7(15+7) <span>y</span>² = 7*22 <span>y</span>² = 154 <span>y = </span>√154 <span>y = 12.4 </span>← to the nearest tenth<span> </span><span> </span>
