Question

Please help?!

T.A. =

http://tinypic.com/r/3516f6v/6

Answer 1

which part TA is ? --"

Answer 2

TA means Total Area of the prism

Answer 3

Oooooo... :)

Answer 4

use the formula :
TA = 2 area of base + (perimeter of base * height)

Answer 5

3 + 3 + 3 * 6

Answer 6

?

Answer 7

wait, is the base a equilateral triangle ?

Answer 8

*an

Answer 9

i hv no idea...

Answer 10

equailateral, right ?

Answer 11

yes

Answer 12

ok, to get area of that triangle is
area = 1/2 * base * height
note : height = 1/2 side sqrt(3)