接線と円について解説!
Tangent Line to a Circle Given the Point of Tangency Using a Ruler and Compass
円上の点に接線を引く方法
Given Point of Tangency Find the Radius of the Circle
tangency problem, how to construct a lever
円に接する線が与えられた場合、x の値を求めます。
(Geometry) Circles -- Tangent Properties
点 P からの円への接線
証明: 半径に垂直は円に接する |ジオメトリ
Tangents from an external point to a circle | construction of tangents to a circle
Circles length of a tangent
tangents to cirlces with given point outside the circle
Geometry 10-2: Lines Tangent to a Circle
How to draw a tangent at a point on the circle.........
Equation of tangent and normal to the curve
Point B is a point of tangency. Find the radius r of C | Plainmath