Question

MEDAL+FAN
Point O is the center of a circle passing through points A, B, and C. ∠B is a right angle.
The center of the circumscribed circle lies on line segment______ , and the longest side of the triangle is equal to the _____ of the circle.
1.AB
2.BC
3.CA

1.Radius
2.Diameter
3.Circumfrence

Answer 1

Is there a figure?

Answer 2

theres no figure

Answer 3

If a right angle is inscrtibed in a circle, the lines will make 180° of arc, like this: