



 
Hi Clint, I drew a diagram of what you described and put some labels on it. The volume you want is the volume of the triangular prism with base the triangle ABC and height 200 feet. The volume of this region is the area of the triangular base ABC times the height of 200 feet. Finding the area of triangle ABC is an exercise with a 454590 triangle and a 306090 triangle. Can you see how to do it? Write back and tell us what you did if you need more help.  


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