Question

the tangent at a point on a circle____the circle​

Answer 1

Answer:

Determine the equation of the circle and write it in the form (x−a)2+(y−b)2=r2.

From the equation, determine the coordinates of the centre of the circle (a;b).

Determine the gradient of the radius: mCD=y2−y1x2−x1.

Answer 2

Step-by-step explanation:

Atangenttoacirclefromanexternalpointtouches

thecircleatapointcalled

thepointofcontact

solution