Please help me with questions 59 and 63

59. Use the slicing method to derive the formula for the volume of a cone. 60. Use the slicing method to derive the formula for the volume of a tetrahedron with side length a. 61. Use the disk method to derive the formula for the volume of a trapezoidal cylinder. 62. Explain when you would use the disk method versus the washer method. When are they interchangeable? For the following exercises, draw a typical slice and find the volume using the slicing method for the given volume. 63. A pyramid with height 6 units and square base of side 2 units, as pictured here. (' 2% \\Q' 64. A pyramid with height 4 units and a rectangular base with length 2 units and width 3 units, as pictured here. )\\ , A 2 |- a I'