A circle has a diameter starting at and ending at . What is the equation of the circle?
Which of the following statements is true regarding the two triangles?
The triangles are similar because they are both right triangles.
The triangles are similar by Hypotenuse-Leg
The triangles are similar by Side-Angle-Side
We do not have enough information to show the triangles are similar.
The triangles are not similar because they are not the same size.
and ending at 
. What is the equation of the circle?