Geometry Perimeter, area and volume Perimeter and area of non-standard shapes Quadrilateral Overview Quadrilateral Properties Area of a Parallelogram Area of parallelograms Area of trapezoids, rhombi, and kites Perimeter of a Polygon Perimeter and Area of a Non-Standard Polygon Area of trapezoids, rhombi, and kites Find areas of trapezoids, rhombi, and kites given important lengths.