Identify the figures

Based on the image provided, here is the identification of the figures: * Figure 3: Appears to be a polygon with 5 sides, so it is a pentagon. * Figure 4: It's a quadrilateral with one pair of parallel sides. This is a trapezoid. * Figure 5: Looks like a quadrilateral with all four sides equal and all angles equal to 90 degrees. This is a square.