Question

Find ef given e (-7 , -2 ) and f (11 , 3 ) ( distance formula ) ​

Answer 1

Distance between $E$ and $F$a,

$EF=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

now put in the data and compute,

$EF=\sqrt{(11-(-7))^2+(3-(-2))^2}=\sqrt{18^2+5^2}\approx\boxed{18.68}$.

Hope this helps :)