A cross section of a rectangular pyramid is made perpendicular to the base and through the vertex as shown. Describe the shape and dimensions of the cross section. Use the drop-down menus to explain your answer. Alternative Text

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.