Solution: if the altitude of the frustum is 5 m, find its volume

Solution: The volume of the pyramid is

Solution: Find the volume of the water in cubic meters

Solution: The volume of a regular tetrahedron of side 5 cm is

Solution: how far apart are the bases?

Solution: Find the volume of a regular pentagonal prism

Solution: Find the volume of a regular hexagonal prism

Solution: The total surface area of the cube is

Solution: The space diagonal of a cube is 4√3 m. Find its volume

Solution: Find the angle formed by the intersection of a face diagonal to the diagonal of a cube