To develop the area formulas for various quadrilaterals and to provide practice calculating areas.
The lesson consists of two slide shows. The first uses a visual approach to derive the area formulas for parallelograms, trapezoids, kites and rhombuses. The second provides practice problems and step by step solutions.
Photographs used in this packet were obtained at morguefile.com. Morguefile grants permission to use its images.
quadrilateral - a four sided polygon
parallelogram - a quadrilateral with two pairs of parallel sides
trapezoid - a quadrilateral which has exactly one pair of parallel sides
kite - a quadriateral in which two pairs of consecutive sides are congruent
rhombus - a parallelogram which has four congruent sides
diagonal - a segment that connects nonconsecutive vertices of a polygon
height of a quadrilateral - the perpendicular distance between opposite sides of a quadrilateral
The slide show will develop the formulas for the area of parallelograms, trapezoids, kites and rhombuses.
The slide show contains practice problems for areas of quadrilaterals as well as worked out solutions.