Please help! Geometry, Tangents to circles! Please answer all 3! 50 points!! Thank you so much!!!
1. Construct two tangents to circle 0 through P
2. Construct two tangents to circle 0 through point P and one tangent through point A. Extend the tangents until they intersect. What relationship exists between the triangle and the circle?
3. Construct a common internal tangent for circle A and for circle B.