Determine the center and radius of the circle of the triangle

[ptc-6757983]

Hello,

I a'm a student and i need help witch task

Given a triangle defined by 3 points with coordinates

(x1, y1) (x2, y2) (x3, y3)

Determine the center and radius of the circle of the triangle. Draw a triangle on a graph and a designated

circle.

i don't understand this

sorry for bad english

[RichardJ]

You are being asked for one of these:

http://www.mathopenref.com/trianglecircumcircle.html

http://www.mathopenref.com/triangleincircle.html

but it's not clear from the question which one.

[Werner_E]

Looks like home work, doesn't it?

Why not show what you have done so far? If you have problems in one stage of your sheet I am sure you can get help here.