Question

How to find the surface area steps? {posted pic below}

Answer 1

Im not sure about the steps to find the surface area..

Answer 2

its just a prism

Answer 3

use the regular prism formula

Answer 4

well, take a look at the prism
it's really 6 rectangles stacked up on each other at the corners

Answer 5

Ok, i see that(:

Answer 6

@ganeshie8 thats what im forgetting. (x

Answer 7

so you ADD UP the area of each of the rectangles, and the sum is the area of the whole prism

Answer 8

do which ever way u feel easy

Answer 9

the formula of total surface are of a prism will be
\(=2(l*h+h*w+w*l)\)
the same you'll get by adding areas of those 6 rectangles...

Answer 10

Do i use this? 2ab + 2bc + 2ac

Answer 11

yes^

Answer 12

yes

Answer 13

Alright, im going to try working it out..

Answer 14

2(6*4.6)+2(4.6*15)+2(6*15)

Answer 15

Like that?

Answer 16

yes

Answer 17

i got 373.2 as my answer. thanks guys!((:

Answer 18

correct :)