Which statements about triangles are true? Select all that apply. Two triangles can be put together to form a parallelogram. The area of a triangle can be found using the formula A = 2bh. All triangles have an area that is one half the area of a rectangle with the same base and height. A diagonal can split a rectangle with an area of 40 square units into two triangles with areas of 20 square units each. A triangle with a base and height of 4 units has a greater area than a square with the same dimensions.