SOLUTION: A circle has a diametr AB with endpoints (1, -7) and (5,6). Find the radius of the circle in simplest radical form. Find the area of the circle to the tenth.

Algebra ->  Radicals -> SOLUTION: A circle has a diametr AB with endpoints (1, -7) and (5,6). Find the radius of the circle in simplest radical form. Find the area of the circle to the tenth.      Log On


   

Question 197233: A circle has a diametr AB with endpoints (1, -7) and (5,6).
Find the radius of the circle in simplest radical form.
Find the area of the circle to the tenth.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Use the distance formula to calculate the length of the diameter, then divide by 2.



Just substitute the values of the given coordinates and then do the arithmetic - remember to divide by 2.

Once you have the radius, put it into the area formula:



And do the arithmetic.


John