**Cracks knuckles** let's do this.
Area of triangle = 31.25 yd^2
10 x 6.25 = 62.5
62.5 / 2 = 31.25
Area of rectangle A = 50 yd^2
10 (length) x 5 (7.5 - 2.5) (width) = 50
Area of rectangle B = 48.75 yd^2
7.5 x 6.5 = 48.75
Total area of composite = 130 yd^2
31.25 + 50 + 48.75 = 130