Question

In circle o, a diameter has endpoint(5, 4) and (3,-6). What is the length of the diameter

Answer 1

Use the distance formula for the distance between two points \((x_1,y_1)\) and \((x_2,y_2)\):
\[d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\]