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gabbyalicorn

  • one year ago

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

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  1. gabbyalicorn
    • one year ago
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  2. Michele_Laino
    • one year ago
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    the area of the first prism is: A_1=2*(2*6+2*5+6*5)=...

  3. Michele_Laino
    • one year ago
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    namely prism A

  4. gabbyalicorn
    • one year ago
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    i got 760

  5. Michele_Laino
    • one year ago
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    are you sure?

  6. gabbyalicorn
    • one year ago
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    yeppers

  7. gabbyalicorn
    • one year ago
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    ill double check

  8. Michele_Laino
    • one year ago
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    more steps: A_1=2*(12+10+30)=...

  9. gabbyalicorn
    • one year ago
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    104

  10. Michele_Laino
    • one year ago
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    ok!

  11. gabbyalicorn
    • one year ago
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    :D

  12. Michele_Laino
    • one year ago
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    whereas the area of prism B is: A_2=2*(5*3+5*4+3*4)=...

  13. gabbyalicorn
    • one year ago
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    664

  14. Michele_Laino
    • one year ago
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    more steps: A_2=2*(15+20+12)=...

  15. gabbyalicorn
    • one year ago
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    94

  16. Michele_Laino
    • one year ago
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    correct!

  17. Michele_Laino
    • one year ago
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    now the volue of prism A is: V_1=2*6*5=...

  18. gabbyalicorn
    • one year ago
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    60

  19. Michele_Laino
    • one year ago
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    ok!

  20. Michele_Laino
    • one year ago
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    finally the volume of the prism B is_ V_2= 5*3*4=...

  21. gabbyalicorn
    • one year ago
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    60

  22. Michele_Laino
    • one year ago
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    ok! so both prisms have the same volume

  23. gabbyalicorn
    • one year ago
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    oh yeah, they do :3

  24. Michele_Laino
    • one year ago
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    so, what is the right option?

  25. gabbyalicorn
    • one year ago
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    so B?

  26. gabbyalicorn
    • one year ago
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    no not b

  27. Michele_Laino
    • one year ago
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    no, since both prisms have the same volume

  28. gabbyalicorn
    • one year ago
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    it doesnt give me an option to say they r the same ;-;

  29. Michele_Laino
    • one year ago
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    Hint: area of prism A is 104 whereas area of prism b is 94

  30. gabbyalicorn
    • one year ago
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    A

  31. gabbyalicorn
    • one year ago
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    wait but i thought they were both 60?

  32. Michele_Laino
    • one year ago
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    and 104 is greater than 94 that's right!

  33. Michele_Laino
    • one year ago
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    each volume is 60

  34. gabbyalicorn
    • one year ago
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    :D yay!

  35. Michele_Laino
    • one year ago
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    :)

  36. gabbyalicorn
    • one year ago
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    Thank you!

  37. Michele_Laino
    • one year ago
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    thanks!! :)

  38. gabbyalicorn
    • one year ago
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    np :D Thank you for helping me!

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