ANSWERS: 1

Equation of a Circle:(xh)^2+(yk)^2=r^2 Points in Equation: (x,y)=(2,8) and (h,k)=(3,4) Equation Becomes: (23)^2+(84)^2=r^2 Do the Math: (5)^2+(4)^2=r^2 25+16=r^2 41=r^2 6.403=r Hope your answer is somewhere in there.... (Feel free to correct any errors found, my last math class was a while ago....)
Copyright 2020, Wired Ivy, LLC