hard math question please help!!!

http://stellalikeyoucare.tumblr.com/

If h = 9 units, X = 9 units, Y = 13 units, and Z = 20 units, then what is the volume of the triangular prism shown above?

i got d but i don't think thats right

A. 1,170 cubic units

B. 810 cubic units

C. 1,620 cubic units

D. 526.5 cubic units

Question

hard math question please help!!!


http://stellalikeyoucare.tumblr.com/

If h = 9 units, X = 9 units, Y = 13 units, and Z = 20 units, then what is the volume of the triangular prism shown above?  
 
i got d but i don't think thats right
  
  A.  1,170 cubic units 
 
  B.  810 cubic units 
 
  C.  1,620 cubic units 
 
  D.  526.5 cubic units

directrix · Answer

B.  810 cubic units

V = Bh where B is the area of the base and h is the height

V = (1/2) (9)(9) (20)
V = 10*81 = 810 cubic units