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Mathematics 8 Online
OpenStudy (anonymous):

@igreen The pyramids at Giza include several square-based pyramids that were built in honor of the Egyptian gods. One of these incredible monuments is the Khafre pyramid, built as part of a temple complex, with the famous Sphinx at its base. The base length of this pyramid is seven hundred five feet, and its height is four hundred seventy-one feet. Massive dimensions indeed! Calculate the volume of the Khafre pyramid. Show the steps of your solution and explain your work.

OpenStudy (anonymous):

OpenStudy (anonymous):

the formula is l^2 x h/3

OpenStudy (anonymous):

Where l is the length, and h is the height.

OpenStudy (anonymous):

So after you plug it in, It's 705^2 x 471/3.

OpenStudy (anonymous):

so is it 705 divide by 2 times 471 divide by 3

OpenStudy (anonymous):

Wait, that formula is wrong...

OpenStudy (anonymous):

0.o

OpenStudy (anonymous):

It's V = \(\dfrac{1}{3}\) x b^2 x h, where b is the base length, and h is the height. Can you plug it in?

OpenStudy (anonymous):

@AnswerMyQuestions what do (^) means

OpenStudy (igreen):

The formula is \(V = \dfrac{1}{3} b^2 h\)

OpenStudy (anonymous):

To the power of.

OpenStudy (anonymous):

So that would be the base length to the power of 2.

OpenStudy (igreen):

Base is 705. Height is 471. Plug them in: \(V = \dfrac{1}{3} (705^2)(471)\) Simplify the exponent: \(V = \dfrac{1}{3} (497025)(471)\) Multiply all three of those numbers, what do you get?

OpenStudy (igreen):

@_lilb_to_smooth_4_U_

OpenStudy (anonymous):

@iGreen 78032831

OpenStudy (igreen):

Yes, so that is the volume of the pyramid.

OpenStudy (anonymous):

ok...... thank u

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