(40 points)jason is working on a construction project. he is required to create two triangular patches (of equal size) for a garden and fill them with gravel up to a thickness of 2 feet. if the breadth of the base of each triangle is 10 feet and the height to the apex (center of the base to the top of the triangle) is 10 feet, what is the total volume of gravel he needs to get, in cubic feet? a. 200 b. 100 c. 300 d. 400 e. 500