Which of these shapes have rectangular cross sections when they are cut perpendicular to the base? Select three options, rectangular prism
triangular prism
cylinder
cone
square pyramid
triangular pyramid

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle