no; $\overline{AB}$ is less than $\overline{BD}.$ no; line segment cap A cap b is less than yes; $\overline{AD}$ is less than $\overline{AB}.$ yes; line segment cap A cap d is less than yes; $ΔABD$ is a right triangle. yes; is a right triangle. no; $ΔABD$ is not a right triangle. no; is not a right triangle.