Question

Find the length of the segment with the given endpoints. (8,1)and (2,9)

Answer 1

use the distance formula

Answer 2

pythagoras gives \[d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\]

Answer 3

\[\sqrt{6^2+8^2}=\sqrt{100}=10\]

Answer 4

Thanks!