geometry answers to test pearon ch 11

to the center \( O \): \( d = \sqrt{(7 - 3)^2 + (8 - 4)^2} = \sqrt{16 + 16} = \sqrt{32} = 4\sqrt{2} \) Calculate the radius \( r \): Since the line is tangent from \( P \), the distance from \( P \) to \( O \) equals the length