7. Geometry

Describe the two-dimensional shapes that result from slicing three-dimensional solids parallel or perpendicular to the base.

Solve real-world and mathematical problems involving area of two-dimensional objects composed of triangles and trapezoids. Solve surface area problems involving right prisms and right pyramids composed of triangles and trapezoids. Find the volume of right triangular prisms, and solve volume problems involving three- dimensional objects composed of right rectangular prisms.