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Mathematics 10 Online
OpenStudy (rayman5766):

8 cm 15 cm 4 cm volume pyramid

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

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

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

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

OpenStudy (rayman5766):

160

OpenStudy (rayman5766):

sorry i had to go

OpenStudy (phi):

yes, 160 cm^3 or 160 cc

OpenStudy (rayman5766):

thanks phi

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