Respuesta :

Answer:

Step-by-step explanation:

DISTANCE FORMULA

D=(SQRT(X2-X1)^2+(Y2-Y1)^2)

SQRT(1-(-1))^2+(3-(-1)^2)

SQRT((2)^2+(4)^2)

SQRT(4+16)

SQRT(20)

2SQRT(5)