Question

Circle O has a diameter of length 16. A point is located outside of the circle such that it lies 12 units from the circle's center. What would the length of a segment drawn from tangent to circle beExpress your answer in simplest radical form.

Answer 1

Explanation:

radius=16/2=8 units

d=12 cm

reqd. length=√(12²-8²)=√(144-64)=√80=4√5 units