gabbyalicorn
  • gabbyalicorn
What is the surface area of the prism? A. 120 in2 B. 204 in2 C. 192 in2 D. 180 in2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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gabbyalicorn
  • gabbyalicorn
gabbyalicorn
  • gabbyalicorn
so im guessing we do something with 180...something like that or is that just for angles. @Black_ninja123 @geerky42 @is3535 @Mehek14 @JackofallTradez @gaos @YoungTrilogyFT3
gabbyalicorn
  • gabbyalicorn
Can someone please help me :(

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More answers

anonymous
  • anonymous
Look at your prism, how many triangles side does it have?
gabbyalicorn
  • gabbyalicorn
ummm 4?
gabbyalicorn
  • gabbyalicorn
|dw:1433369906844:dw|
anonymous
  • anonymous
No, i asked triangular sides
gabbyalicorn
  • gabbyalicorn
oh 2
anonymous
  • anonymous
Yes, and how do we find the surface area of a triangle?
gabbyalicorn
  • gabbyalicorn
lxwxh
anonymous
  • anonymous
Do you remember the following formula S=base x height/2
gabbyalicorn
  • gabbyalicorn
anonymous
  • anonymous
Now, this is for a 90 degree triangle So we gonna use the general formula S=base x height, So, what's the triangle base?
gabbyalicorn
  • gabbyalicorn
umm 8 in is the base
anonymous
  • anonymous
And the height?
gabbyalicorn
  • gabbyalicorn
3 in
anonymous
  • anonymous
Yes, now how much is base x height?
gabbyalicorn
  • gabbyalicorn
24
anonymous
  • anonymous
Yes
anonymous
  • anonymous
Keep this result, now we gonna find the rectangular surface
gabbyalicorn
  • gabbyalicorn
ok doki loki
anonymous
  • anonymous
How many rectangle 10x5 are there?
gabbyalicorn
  • gabbyalicorn
50?
anonymous
  • anonymous
Yes this is the surface but how many rectangle with 10 in and 5 in sides are there?
gabbyalicorn
  • gabbyalicorn
5?
anonymous
  • anonymous
How many sides of the prism that are rectangle with 5 in and 10 in sides?
gabbyalicorn
  • gabbyalicorn
2?
anonymous
  • anonymous
Yes, so two sides with 50 in squared each, what's the sum of the surface for these two sides?
gabbyalicorn
  • gabbyalicorn
500?
gabbyalicorn
  • gabbyalicorn
wait no 100
anonymous
  • anonymous
Yes. Now the last side is the base of the prism, what figure does that looks like?
gabbyalicorn
  • gabbyalicorn
um 3in????
anonymous
  • anonymous
No, asked what figure does that looks like?
gabbyalicorn
  • gabbyalicorn
a triangle
gabbyalicorn
  • gabbyalicorn
triangular prism
anonymous
  • anonymous
It's a rectangle with 10in and 8 in side isn't it?
gabbyalicorn
  • gabbyalicorn
yes...........
anonymous
  • anonymous
What's it surface?
gabbyalicorn
  • gabbyalicorn
5 in -.-?
anonymous
  • anonymous
S= base x height
gabbyalicorn
  • gabbyalicorn
-.- ummm 80?
anonymous
  • anonymous
Yessss, now you must sum 24+100+80
gabbyalicorn
  • gabbyalicorn
204
anonymous
  • anonymous
Perfect
gabbyalicorn
  • gabbyalicorn
Thank you!!!!!!
anonymous
  • anonymous
Anytime

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