Question

If tangents pa and pb from a point p to acorcle with center o are inclined to each other at angle 80 then find poa

Answer 1

The altitude to the base of anisosceles triangle bisects the vertexangle. The altitude to the base of anisosceles triangle bisects the base. When the altitude to the base of anisosceles triangle is drawn, two congruent triangles are formed, proven by Hypotenuse - Leg.