If abcd is a parallelogram, what can we say about the diagonals bd and ac?
a. they're congruent
b. they bisect each other
c. they're congruent to sides ab and dc
d. they're congruent to sides ad and bc

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

The surface area of the triangular prism is .