Volume & Conversion

  • #1

Homework Statement



The base of a pyramid covers an area of 20.4 acres (1 acre = 43, 560 ft^2) and has a
height of 69 ft.

Find the volume of this pyramid in cubic meters. Answer in units of m3.

Homework Equations



V of Pyramid= (1/3)bh

where 'b' is 43,560 ft^2


The Attempt at a Solution



My attempt at the solution got me 28370.082 cubic meters after converting.
 

Answers and Replies

  • #2
rock.freak667
Homework Helper
6,230
31
Don't you mean b= 43,561*20.4 ft2?

Also how many m= 1 ft?
 
  • #3
Yes thats what i meant. I just redid my solution. Several figures off lol. But please, attempt the problem so i can check my answer

might i add that the question wants the answer in sigfigs

also about the conversions. let's just find the answer in cubic feet first. the conversion can be done afterwards
 
Last edited:
  • #4
rock.freak667
Homework Helper
6,230
31
also about the conversions. let's just find the answer in cubic feet first. the conversion can be done afterwards

I was asking because I didn't know.

V=1/3*20.4*43560*69

and according to google 1ft2=0.0283168466 m3

so I get 578,749.7m3
 
  • #5
thanks thats what i got. this problem was extremely simple i was just exhausted and tried skipping steps foolishly.

guess its time to close this thread
 

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