Hitch Pivot

The hitch pivot well first I had done was create the circle dimension that then drawled out the rest of the object after I had dimensioned all of that then I extruded it then for the next one I decided the back of the surface to draw out the cut out and dimeson the I extrude cut that after for the ends created two triangles after I had dimension that and extrude cut it then for the third one I offset it and the cut the end of extrude cut then used the imaginary lines extrude cut it and got the box and I was done Hitch Pivot1 Density = 0.01 grams per cubic millimeter Mass = 48008.37 grams Volume = 5394199.26 cubic millimeters hitch pivot 2 Mass = 23585.29 grams Volume = 2650032.64 cubic millimeters Surface area = 195752.08 square millimeters hitch pivot 3 Mass = 19027.69 grams Volume = 2137942.21 cubic millimeters Surface area = 208648.62 square millimeters