Forum: DISCUSSION Post 3: Geometry

 

A right triangle is removed from the rectangle in the figure below.  When the triangle is removed, it creates the shaded region.  Find the  area of the shaded region.

 

Part I - What is the area of the triangle (20%)

Part II - What is the area of the rectangle (20%)

Part III - What is the area of the shaded region? How did you determine that area? (40%)

Part IV - Review and comment on ONE classmate's post; provide a comment for each part of the posting. (20%)