Answer:
12.5 or 12 1/2
Step-by-step explanation:
Base = 8.5 yd
Height 3 yd
A = (h x b)/2
A = 12.5
Area = ½bh
=> ½ × 3 × (8½)
=> ½ × 3 × 17/2
=> 51/4
=> 12.75 yd²
