The circle below has center P. The point (x, y) is on the circle as shown.
13
12
(a) Find the following.
Center: (-5, -7)
11
10
Radius: 4 units
7
Value of a: (Choose one) V
Value of b: (Choose one) V
(b) Use the Pythagorean Theorem to write an equation
relating the side lengths of the right triangle. Write
your answer in terms of x and y (with no other
letters)
O² + O² = (O?