Question

A rectangular pyramid has a volume of 756 cubic feet. If the base has a length of 9 feet and a width of 14 feet, what is the height of the pyramid?

Answer 1

Do you know the formula for the volume of a pyramid?

Answer 2

yeah v =1/3bh

Answer 3

Now, insert the given values one by one in it.

Answer 4

1/3 lwh = v

Answer 5

it's
http://chemwiki.ucdavis.edu/ @api/deki/files/4758/=Volume_of_a_Pyramid.jpg

Answer 6

http://www.google.com.pk/imgres?hl=en&sa=X&biw=1280&bih=695&tbm=isch&prmd=imvns&tbnid=op_QnCmOYoI4DM:&imgrefurl=http://chemwiki.ucdavis.edu/Analytical_Chemistry/Quantifying_Nature/Density_and_Percent_Compositions&docid=-O3QfayMVD7RIM&imgurl=http://chemwiki.ucdavis.edu/%2540api/deki/files/4758/%253DVolume_of_a_Pyramid.jpg&w=319&h=305&ei=TolwT-DOE7DR4QTkrPm_Ag&zoom=1&iact=hc&vpx=892&vpy=175&dur=3945&hovh=220&hovw=230&tx=94&ty=147&sig=104600257081545160052&page=1&tbnh=140&tbnw=146&start=0&ndsp=18&ved=1t:429,r:4,s:0

Answer 7

plz no links i cant open the links

Answer 8

V = (1/3) B h where B is area of the Base and h is the height of the pyramid.

756 = (1/3) 9 (14) h --> 9*14 is area of rectangular base
756 = 3 *14 * h
756/(3*14) = h
756/42 = h
18 = h ----> Check my work.

Answer 9

thx at first iwasnt sure if it was 18 or 6

Answer 10

i think i used the wrong formula, thx alot