Which describes the cross section of a square prism that passes through vertices A, B, and C? A square prism. The cross section is a triangle with 2 equal sides, 1 side longer than 8 inches, and 2 sides of equal length that are longer than 12 inches. a triangle with three equal sides, all measuring 8 inches a triangle with three equal sides, all longer than 12 inches a triangle with only two equal sides; one side measures 8 inches, and two sides measure 12 inches a triangle with only two equal sides; one side is longer than 8 inches and two sides of equal length that are longer than 12 inches