(Solved): 1. Determine the area of the shaded triangle that is inside the rectangle. Explain your reasoning. ...

1. Determine the area of the shaded triangle that is inside the rectangle. Explain your reasoning. 2. Determine the area of the shaded triangle that is in the rectangle in two different ways. Explain your reasoning in each case. 3. Determine the area of the shaded triangle in the figure below in two different ways. Explain your reasoning in each case. 4. Determine the area of the shaded triangle below. Explain your reasoning.