What is the approximate volume of the pyramid?

A.
184 ft^3

B.
368 ft3

C.
491 ft3

D.
1472 ft3

Question

What is the approximate volume of the pyramid?		
  

 
 A.
184 ft^3
 
 B.
368 ft3
 
 C.
491 ft3
 
 D.
1472 ft3

anonymous · Answer

attachment

anonymous · Answer

@DEEISME @SolomonZelman

solomonzelman · Answer

you have a square base of 8 by 8. So the area of this base will be 8², which is equivalent to 64.
You have the height of 23, but you are only using 1/3 of the square-height of 23 inches, so

8 × 8 × 23 × 1/3 = 490.6666 ≈ 491

(square vs your pyramid       ─   just like a cylinder vs a cone)

cwrw238 · Answer

there you are - confirmation  - the volume contains 1/3  not 1/2

anonymous · Answer

@cwrw238 last i did he said it was 1/2

solomonzelman · Answer

yes, I think I did... I'll redo it

cwrw238 · Answer

oh  I see  
Well none of us are computers!!