Answer:
216 square yards
216 yd^2
Step-by-step explanation:
Base: 6 × 12 = 72
Rectangular Sides: 5 × 12 = 60 (×2 = 120)
Triangular Sides: 6 × 4 = 24 (÷2 ×2 = 24)
Add: 72 + 120 + 24 = 216