Question

Help needed
http://prntscr.com/za1f5

Answer 1

http://www.mathwarehouse.com/solid-geometry/triangular-prism/formula-volume-triangular-prism.php

that will help you Lily

Answer 2

so the correct answer will be 468????/

Answer 3

my dear i don't know what the net is

Answer 4

but i found the surface area with my own way and i think it should be two times of the triangle surface plus surface of big rectangle plus surface of little rectangle

Answer 5

\[(\frac{ 6*8 }{ 2 } *2)+(17*8)+(17*6) =286\]

Answer 6

http://prntscr.com/za8id
may be this can help

Answer 7

i find out my mistake 286 +(17*10) = 456

Answer 8

i made a mistake , sorry

Answer 9

are you sure this is the correct answer i was having 468

Answer 10

i also get 456

Answer 11

let me solve it part by part

Answer 12

the p is ( 8+6+10 )
the h is 17
and b= 24
i should use this formula ph+2b = 24*17+2*24=19*24=456