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anonymous
 5 years ago
Please help. i thought i understood this but i don't.. find the surface area of these prisms
anonymous
 5 years ago
Please help. i thought i understood this but i don't.. find the surface area of these prisms

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0using this formula 2B=Ph

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0surface area is just the area of each side added together.

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0#32 = 2wl + 2wh + 2 lw

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so 2*8*7+2*8*12+2*7*8?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0or 2(base area) + (base perimeter)(height) would work

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.02(7)(8) + 2(7)(12) + 2(8)(12)...yeah

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0472 is surface are for #32

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0the top and bottom are closed in right?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0#37 is the same reasoning 2(8)(5) + 2(8)(12) + 2(5)(12)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0392 = surface area for #37

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0#33 is an equal sided triangle with sides = to 5; it length is equal to 8

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.03(5)(8) equals the surface are for the long sides

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0the surface are for 2 triangle faces is: (5)(5)sin(60)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0finding the triangle face area by just the sides is tricky...but if you know the formula for the area of a triangle with 2 sides and an angle inbetween them, its easier :)
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