Mathematics
7 Online
OpenStudy (anonymous):
Calculate the surface area of a square pyramid where the height is 4 feet and the length of a side is 6 feet?
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OpenStudy (anonymous):
@mathstudent55 @atreyu6s3x6
OpenStudy (anonymous):
yea? :D
OpenStudy (anonymous):
A=96ft^2 (not sure )
OpenStudy (anonymous):
can yall help?
OpenStudy (anonymous):
okay do you know the equation? @caitlyn10
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OpenStudy (anonymous):
is it 96ft2?
OpenStudy (anonymous):
sorry if i reply slow im helping a couple other people too :)
OpenStudy (anonymous):
no your fine
OpenStudy (anonymous):
OpenStudy (anonymous):
okay so do you know the equation for surface area?
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OpenStudy (anonymous):
thats it up there
OpenStudy (anonymous):
@atreyu6s3x6 the equation is up there
OpenStudy (anonymous):
okay so what are our numbers? a=? h=?
OpenStudy (anonymous):
or is it 84?
OpenStudy (anonymous):
h=4
a=6
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OpenStudy (anonymous):
@atreyu6s3x6
OpenStudy (anonymous):
okay so if we plug that in we have:
SA=6^2+2(6)\[\sqrt{6^2/4+4^2}\]
OpenStudy (anonymous):
sorry thats all one equation
OpenStudy (anonymous):
53?@atreyu6s3x6
OpenStudy (anonymous):
i don't think i did that right
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OpenStudy (anonymous):
so we simplify:
\[36+12\sqrt{36/4+16}\]
OpenStudy (anonymous):
try and simplify that... :)
OpenStudy (anonymous):
96?
OpenStudy (anonymous):
YYYYAAAASSSS!!!!! haha good job :D
OpenStudy (anonymous):
okay would it be 96 or 96^2? @atreyu6s3x6
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OpenStudy (anonymous):
it would be 96 ft^2
OpenStudy (anonymous):
awesome! thanks
OpenStudy (anonymous):
no problem :)