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Mathematics 10 Online
OpenStudy (anonymous):

Marissa needs to paint all the faces and the base of a model pyramid she made for her history project. The dimensions of the pyramid are shown here. What is the total surface area of the pyramid?

OpenStudy (anonymous):

OpenStudy (anonymous):

@LynFran

OpenStudy (anonymous):

I tried it i think i got 140 but im not sure if thats correct

OpenStudy (lynfran):

u can find the area of the square and then the triangle (note they are 4 of them) so 10*10=100 ..area of square (1/2)(10)(8)=40 40*4=?? now 100+40*4=??

OpenStudy (anonymous):

260

OpenStudy (lynfran):

correct

OpenStudy (anonymous):

Thank you so much @LynFran (:

OpenStudy (lynfran):

welcome

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