Given data:
The given figure.
The given coordinate of B is (-7, -1).
The given coordinate of D is (1, 0).
The length of BD is,
[tex]\begin{gathered} BD=\sqrt[]{(1-(-7))^2+(0-(-1))^2} \\ =\sqrt[]{64+1} \\ =\sqrt[]{65} \\ =8.06 \end{gathered}[/tex]
Thus, the BD length is 8.06 units.
