Question

how do you find the radius of a circle?
If the left hand corner says (2,7) and the right top says (11,7) ?

Answer 1

plot the points and check it out

Answer 2

Circles do not have left and right hand corners. If your circle has a left and right hand corner, you should question whether or not its really a circle.

Answer 3

this is the problem we have..

Answer 4

You should either upload or draw what it is you are describing.

Answer 5

Okay, you don't describe those points are "left and right hand corners" you describe them as "points on the circle".