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OpenStudy (anonymous):
A regular triangular pyramid with a slant height of 9 m has a volume equal to 50 m^3. find the lateral area of the pyramid
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OpenStudy (anonymous):
HELP PLEASE
OpenStudy (anonymous):
:(
OpenStudy (anonymous):
what's next?
OpenStudy (unklerhaukus):
the lateral surface area doesn't include the base
OpenStudy (unklerhaukus):
the volume of a pyramid equals (1/3)[base]*[vertical height]
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OpenStudy (unklerhaukus):
|dw:1386073407438:dw|
OpenStudy (anonymous):
all sides is equal to 9?
OpenStudy (unklerhaukus):
isn't that what it means for a shape to be regular ?
OpenStudy (anonymous):
okay. then?
OpenStudy (unklerhaukus):
maybe the base dosen't have the be 9 in a pyramid
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OpenStudy (unklerhaukus):
|dw:1386073750670:dw|
OpenStudy (unklerhaukus):
|dw:1386073768917:dw|
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