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Mathematics 17 Online
OpenStudy (anonymous):

Find the surface area of a pyramid with a square base with dimensions 100 mm by 100 mm and height of 75 mm

OpenStudy (ddcamp):

Volume of a pyramid = (1/3)*(base area)*(height)

OpenStudy (anonymous):

250000

OpenStudy (goldphenoix):

Correct.^

OpenStudy (ddcamp):

<doh> The question says surface area, I need to read more carefully...

OpenStudy (anonymous):

what equation?

OpenStudy (goldphenoix):

1/3(100x100x75)

OpenStudy (anonymous):

but he said that was for volume

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

@jishan

OpenStudy (anonymous):

right

OpenStudy (anonymous):

but i got that same answer for the volume

OpenStudy (anonymous):

what shape of pyramid?

OpenStudy (anonymous):

same exact pyramid

OpenStudy (anonymous):

Find the volume of a pyramid with a square base with dimensions 100 mm by 100 mm and height of 75 mm.

OpenStudy (anonymous):

just like cone

OpenStudy (anonymous):

approximate same.

OpenStudy (anonymous):

so they are both 250000

OpenStudy (anonymous):

1/3 r^2*h

OpenStudy (anonymous):

becaue 3 quatity of product

OpenStudy (anonymous):

r? there is no circle

OpenStudy (anonymous):

base area r*r

OpenStudy (anonymous):

so 250000

OpenStudy (anonymous):

yeah brother

OpenStudy (anonymous):

y always welcome dear brother.

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