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Mathematics 20 Online
OpenStudy (anonymous):

Find the volume of the figure below.

OpenStudy (anonymous):

OpenStudy (anonymous):

What do u think the shape is called?

OpenStudy (anonymous):

square based pyramid

OpenStudy (anonymous):

Yup

OpenStudy (anonymous):

A = 2bs + b^2 ?

OpenStudy (anonymous):

So what is the base is it a rectangle

OpenStudy (anonymous):

0.6 * 1.1= 0.66

OpenStudy (anonymous):

Multiply it with the height

OpenStudy (anonymous):

2*0.66*2.4 = 3.168

OpenStudy (anonymous):

I meant 0.66*height

OpenStudy (anonymous):

Volume of a pyramid= 0.5*Area of the base * Height

OpenStudy (anonymous):

0.66 * 2.4 = 1.584

OpenStudy (anonymous):

Multiply it with 0.5 and that is the volume

OpenStudy (anonymous):

Volume of a pyramid= 0.5*Area of the base * Height

OpenStudy (anonymous):

0.792! (:

OpenStudy (anonymous):

YUP

OpenStudy (anonymous):

Welcome

Directrix (directrix):

If you don't mind, I would like to show what I got.

Directrix (directrix):

V = (1/3)* B*h where B is the area of the rectangular base V = (1/3) * (1.2 * .6) * 2.4 V = .576 cubic cm

OpenStudy (anonymous):

Hey its 1/3 not 0.5

OpenStudy (anonymous):

I kinda realized it later

Directrix (directrix):

V = (1/3)* B*h where B is the area of the rectangular base V = (1/3) * (1.1 * .6) * 2.4 V = .528 cubic cm -----> Revised Answer From above - I messed up and keyed in 1.1 as 1.2

OpenStudy (anonymous):

http://www.aaamath.com/geo79_x6.htm

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