Question

Find the radius of circle whose end points of diameter are (-4,1) and (2,-3)

Answer 1

Answer:

mid point formula

x1+x2/2, y1+y2/2

-4+2/2 , 1-3/2

-2/2, -2/2

-1,-1

dis. between (-1,-1)&(2,-3)

√ ( 2+1)^2+ ( -3+1)^2

√ 9+4

√ 13

hope it will help you