Adjust D in front view if the plane ABCD is warped. Draw a triangle (labeled IJK) that is parallel to plane ABCD Construct a trapezoid 1234 with the given side 12 that is parallel to the plane ABC. Line12 is not one of the bases. A C D A C 1 2 B HRP FRP HRP BB B FRP B C A C 1 2

Ron is tiling a countertop. He needs to place 54 square tiles in each of 8 rows to cover the counter. He wants to randomly place 8 groups of 4 blue tiles each and have the rest of the tiles be white. How many white tiles will Ron need?

Explain two methods discussed in class for finding the area of irregular shapes.