Xiicxiellaxxgo Xiicxiellaxxgo Mathematics Answered Example GivenFind a or b a = 20. b = ? c = 25Find b or a. c^2 - a^2 = b^2 25^2 - 20^2 = c^2 625 - 400 = 225 Square Root of 225 is 15 QUESTION a = 3 b = 4 c = ?