Respuesta :

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

Step-by-step explanation:

Area = ½bh

=> ½ × 3 × (8½)

=> ½ × 3 × 17/2

=> 51/4

=> 12.75 yd²