anonymous
  • anonymous
1.) Use the formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number. The figure is not drawn to scale.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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anonymous
  • anonymous
My answer: 795 m^2, 822m^2. Is that correct?
anonymous
  • anonymous
2.) Find the surface area of the cylinder to the nearest whole number. The figure is not drawn to scale.
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anonymous
  • anonymous
my answer: 2,205 in^3. Is that correct?
anonymous
  • anonymous
elllloooooooooooooooooooooooo?
anonymous
  • anonymous
@jim_thompson5910
anonymous
  • anonymous
@mathstudent55
anonymous
  • anonymous
@e.mccormick
anonymous
  • anonymous
@aaronq
anonymous
  • anonymous
@Mertsj @jdoe0001
anonymous
  • anonymous
@sammixboo
anonymous
  • anonymous
@kropot72
anonymous
  • anonymous
@Elsa213
anonymous
  • anonymous
@ikram002p
anonymous
  • anonymous
@DullJackel09
anonymous
  • anonymous
@mathstudent55 can you stay? There has been many incidents where people have left.
anonymous
  • anonymous
@jim_thompson5910 If he leaves, please stay
mathstudent55
  • mathstudent55
For the first triangular prism you are correct.
anonymous
  • anonymous
Alright. Thank you.
mathstudent55
  • mathstudent55
For the cylinder you are correct.
anonymous
  • anonymous
Thank you, again. Can one of you stay for just one more to correct?
jim_thompson5910
  • jim_thompson5910
I'm getting the same LSA = 3*37+9*37+9.49*37 = 795.13 TSA = BA + LSA = 2*(9*3/2) + 795.13 = 822.13
mathstudent55
  • mathstudent55
But for cylinder, remember the units are in.^2. You are dealing with an area, not a volume.
anonymous
  • anonymous
Oh right.
anonymous
  • anonymous
@jim_thompson5910 can you stay
jim_thompson5910
  • jim_thompson5910
sure
anonymous
  • anonymous
Okay, thank you.
jim_thompson5910
  • jim_thompson5910
I agree with your cylinder answer too 2*pi*13^2+2*pi*13*14 = 2,205.39804282003
anonymous
  • anonymous
Next question. Use Euler's formula to find the missing number. vertices:15 edges:24 faces:? My answer: 11. Is that correct?
mathstudent55
  • mathstudent55
V + F - E = 2
jim_thompson5910
  • jim_thompson5910
yes, you use V - E + F = 2 to find that F = 11
mathstudent55
  • mathstudent55
15 + F - 24 = 2 F - 9 = 2 F = 11 Correct.
anonymous
  • anonymous
Yay. Thank you guys again. : )
jim_thompson5910
  • jim_thompson5910
yw
mathstudent55
  • mathstudent55
You're welcome.

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