Please help quick will give brainly

Answer:
[tex]1134yd^3[/tex]
Step-by-step explanation:
Right Triangular Prism
V = LWH
L = 6yd
W = 21yd
H = 9yd
____________________
Follow the volume formula, and multiply the length by width and height together.
V = LWH
V = (6)(21)(9)
V = 1134yd^3