What is the volume of the figure with 10ft, 8ft, 5ft, 4ft, 8ft, 17ft

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points