Mathematics
10 Online
OpenStudy (rayman5766):
8 cm 15 cm 4 cm volume pyramid
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (rayman5766):
8 cm is the height and 15cm is the length and 4 cm is the side length
OpenStudy (rayman5766):
@TheSmartOne
OpenStudy (rayman5766):
there is a pic but i don't know how to posted it wont let me copie it
OpenStudy (phi):
can you find the area of the "base" (its bottom) ?
OpenStudy (rayman5766):
its 15 cm
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (rayman5766):
the height is 8 and the number thats at the bottme but on the side is 4
OpenStudy (phi):
15 cm is a length. what is the area of the bottom ?
OpenStudy (rayman5766):
oh right sorry
OpenStudy (rayman5766):
60
OpenStudy (rayman5766):
i got that from multiplying the side length and the length
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (phi):
ok.
volume is height * area of bottom * ⅓
OpenStudy (rayman5766):
unless your talking about 3.14 or 1.2
OpenStudy (phi):
if the bottom is in the shape of a rectangle, then 60 sounds right.
OpenStudy (rayman5766):
ok what is next
OpenStudy (rayman5766):
do i multiply that with 8
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (phi):
volume is height * area of bottom * ⅓
OpenStudy (rayman5766):
480
OpenStudy (phi):
then multiply by 1/3
OpenStudy (rayman5766):
but that can't be it because its to simple
OpenStudy (rayman5766):
of course
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (rayman5766):
160
OpenStudy (rayman5766):
sorry i had to go
OpenStudy (phi):
yes, 160 cm^3 or 160 cc
OpenStudy (rayman5766):
thanks phi