Find the volume of the figure

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

Two lines parallel to a third line are parallel to each other. always sometimes or never

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 .