Question

fan and medal!
Find the surface area of the prism.



A.
2299 mm2

B.
2954.5 mm2

C.
3173 mm2

D.
498,180 mm2

https://static.k12.com/calms_media/media/1394500_1395000/1394713/1/6668214b67bc455c9ab550a095c0f63c6f113eee/67457_FGA_U5_L6_V2_P.jpg

Answer 1

do you know how to find the surface area

Answer 2

no

Answer 3

surface area is lenght* width*2 + length*highth*2+width*highth*2=

Answer 4

which one is the lenth

Answer 5

so lets say l=2 w=3 and h=4
itll by 2*3*2+2*4*2+3*4*2=52

Answer 6

it doesnt matter if it doesnt give the length width or hight give the 3 measurments a place so lets say ok the formula is different than the one i sadi ealry becase its a trangleular prism

Answer 7

do you know how to find area

Answer 8

so its 30x23x2

Answer 9

no ok do you know how to find area of rectagle and triangles

Answer 10

yes
basexheight/2

Answer 11

ok so find the area of each side so there are 3 reatagals then 2 triangle

Answer 12

okay

Answer 13

the rectangle formula is l*w so 30*38 then sine there are 3 sides what do you get

Answer 14

1140

Answer 15

3420=1140*3

Answer 16

yes but there are 3 rectangles so instead of adding 1140 3 times mulitply by the number of sides wich is 3

Answer 17

ok thenyou have the triangles

Answer 18

what do you think are the triangles dementions the numbers you muilitply

Answer 19

23*19/2=218.5

Answer 20

wait i didnt need to divide since there is to triangles

Answer 21

437

Answer 22

correct i was just going to say that now you just add the 2 nubers

Answer 23

do you get it

Answer 24

hey i know why it the anwser doesnt match i mis read the shape

Answer 25

srry im back

Answer 26

so what do i do do i add them together

Answer 27

i mis calulated sorry but i know how to do it

Answer 28

usally shapes have equal side but this doesnt

Answer 29

the rectangles have dirrent lenghts

Answer 30

really

Answer 31

how can you tell

Answer 32

so the hight is 38 but the lenghts are diferint

Answer 33

okay i give up i will just guess

Answer 34

thank you for your time

Answer 35

so the hight is 38 but the lenghts are diferint