anonymous
  • anonymous
find the surface area of the figure. A. 19.21 cm^2 B. 10.37 cm^2 C. 34.85 cm^2 D. 6.29 cm^2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@jim_thompson5910 please help?
anonymous
  • anonymous
|dw:1364868506696:dw|
anonymous
  • anonymous
sorry this is a very bad drawing,, but can I please get some help?

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More answers

anonymous
  • anonymous
@e.cociuba
jim_thompson5910
  • jim_thompson5910
same ideas as last time where we did this one http://openstudy.com/study#/updates/515a3840e4b07077e0c11e44 the only difference is that the numbers are changed
anonymous
  • anonymous
can you give me the solution to solve?
jim_thompson5910
  • jim_thompson5910
what's the area of the base
anonymous
  • anonymous
1.7
anonymous
  • anonymous
or 3.4
jim_thompson5910
  • jim_thompson5910
1.7 is the length of the side of the square
jim_thompson5910
  • jim_thompson5910
(1.7)^2 = ???
anonymous
  • anonymous
2.89
jim_thompson5910
  • jim_thompson5910
what is the area of each triangular piece
anonymous
  • anonymous
8.29?
jim_thompson5910
  • jim_thompson5910
how did you get that?
anonymous
  • anonymous
I added all sides
jim_thompson5910
  • jim_thompson5910
Area of triangle A = (b*h)/2 A = (4.8*1.7)/2 A = ???
jim_thompson5910
  • jim_thompson5910
I recommend writing down each area and perimeter formula on a note sheet so you can look them up quickly
anonymous
  • anonymous
4.08
jim_thompson5910
  • jim_thompson5910
good, now multiply that by 4 afterwards, add that to 2.89
anonymous
  • anonymous
19.21
jim_thompson5910
  • jim_thompson5910
perfect
anonymous
  • anonymous
yay!
jim_thompson5910
  • jim_thompson5910
you got 16.32 for the lateral surface area 2.89 was the base area
anonymous
  • anonymous
ohh okai
jim_thompson5910
  • jim_thompson5910
so total surface area = base area + lateral surface area total surface area = 2.89 + 16.32 just summing things up (you probably already know by now)

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