Rafael is cutting pieces of wood to make a triangular pyramid like the one shown below. The base of the pyramid is a equilateral triangle, and the faces are isosceles triangles. What is the total surface area of the pyramid that will be made from the pieces of wood, in square inches?

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