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OpenStudy (anonymous):
Please help?! T.A. = http://tinypic.com/r/3516f6v/6
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OpenStudy (raden):
which part TA is ? --"
OpenStudy (anonymous):
TA means Total Area of the prism
OpenStudy (raden):
Oooooo... :)
OpenStudy (raden):
use the formula : TA = 2 area of base + (perimeter of base * height)
OpenStudy (anonymous):
3 + 3 + 3 * 6
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OpenStudy (anonymous):
?
OpenStudy (raden):
wait, is the base a equilateral triangle ?
OpenStudy (raden):
*an
OpenStudy (anonymous):
i hv no idea...
OpenStudy (raden):
|dw:1364239982144:dw|
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OpenStudy (raden):
equailateral, right ?
OpenStudy (anonymous):
yes
OpenStudy (raden):
ok, to get area of that triangle is area = 1/2 * base * height note : height = 1/2 side sqrt(3)
OpenStudy (raden):
|dw:1364240164316:dw|
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