Help me please! How to do?

This is the answer: body 1 + engine 2

Iassume the answer is 75 feet. inwards to outwards rather than outwards to inwards. probably be 75.hachures are stokes drawn in direction of the steepest slope. a series of short parallel lines drawn on a map to indicate topographic relief. it is actually called hachures on contour lines. the small marks in the center of the feature are called hachures.observe the picture attached

C. the electric current passes from the slip rings, through the brushes, and to the collection device.

The anser is 800 meters i hope i : ): )