gabbyalicorn
  • gabbyalicorn
Which is true about the volume or surface area of these prisms? A. The surface area of A is greater than the surface area of B. B. The volume of B is greater than the volume of A. C. The surface area of B is greater than the surface area of A. D. The volume of A is greater than the volume of B. Last one seems tricky
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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gabbyalicorn
  • gabbyalicorn
Michele_Laino
  • Michele_Laino
the area of the first prism is: A_1=2*(2*6+2*5+6*5)=...
Michele_Laino
  • Michele_Laino
namely prism A

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More answers

gabbyalicorn
  • gabbyalicorn
i got 760
Michele_Laino
  • Michele_Laino
are you sure?
gabbyalicorn
  • gabbyalicorn
yeppers
gabbyalicorn
  • gabbyalicorn
ill double check
Michele_Laino
  • Michele_Laino
more steps: A_1=2*(12+10+30)=...
gabbyalicorn
  • gabbyalicorn
104
Michele_Laino
  • Michele_Laino
ok!
gabbyalicorn
  • gabbyalicorn
:D
Michele_Laino
  • Michele_Laino
whereas the area of prism B is: A_2=2*(5*3+5*4+3*4)=...
gabbyalicorn
  • gabbyalicorn
664
Michele_Laino
  • Michele_Laino
more steps: A_2=2*(15+20+12)=...
gabbyalicorn
  • gabbyalicorn
94
Michele_Laino
  • Michele_Laino
correct!
Michele_Laino
  • Michele_Laino
now the volue of prism A is: V_1=2*6*5=...
gabbyalicorn
  • gabbyalicorn
60
Michele_Laino
  • Michele_Laino
ok!
Michele_Laino
  • Michele_Laino
finally the volume of the prism B is_ V_2= 5*3*4=...
gabbyalicorn
  • gabbyalicorn
60
Michele_Laino
  • Michele_Laino
ok! so both prisms have the same volume
gabbyalicorn
  • gabbyalicorn
oh yeah, they do :3
Michele_Laino
  • Michele_Laino
so, what is the right option?
gabbyalicorn
  • gabbyalicorn
so B?
gabbyalicorn
  • gabbyalicorn
no not b
Michele_Laino
  • Michele_Laino
no, since both prisms have the same volume
gabbyalicorn
  • gabbyalicorn
it doesnt give me an option to say they r the same ;-;
Michele_Laino
  • Michele_Laino
Hint: area of prism A is 104 whereas area of prism b is 94
gabbyalicorn
  • gabbyalicorn
A
gabbyalicorn
  • gabbyalicorn
wait but i thought they were both 60?
Michele_Laino
  • Michele_Laino
and 104 is greater than 94 that's right!
Michele_Laino
  • Michele_Laino
each volume is 60
gabbyalicorn
  • gabbyalicorn
:D yay!
Michele_Laino
  • Michele_Laino
:)
gabbyalicorn
  • gabbyalicorn
Thank you!
Michele_Laino
  • Michele_Laino
thanks!! :)
gabbyalicorn
  • gabbyalicorn
np :D Thank you for helping me!

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