Shape
Copyright David & Cynthia Thomas, 2009
Perimeter & Area of Polygons--Directed Activity: Area of a
Trapezoid
Focus |
Find the area of a trapezoid |
Technologies |
The Geometers Sketchpad and model 3_Trapezoids.gsp |
Background |
Figure 3.21: Trapezoid Area
|
Tasks |
· For each trapezoid, determine the length of the height and both bases. · Compute the area of each trapezoid then check your answer using The Geometers Sketchpad. · Devise and justify a formula for computing the area of any trapezoid. |