Mariah's house sits on an irregular lot with a triangular-shaped backyard. most of the backyard will be grass, but mariah would also like a rectangular garden plot. before she heads to the garden center, she needs to calculate a few measurements. how many square yards is the garden plot?

(05.02) mr. morris is going to save money and replace his sailboat's mainsail himself. he must determine the area of the mainsail in order to buy the correct amount of material. calculate the area of the parallelogram to determine how much material should be purchased. be sure to explain how to decompose this shape into rectangles and triangles. describe their dimensions and show your work.