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computergeek123

  • 2 years ago

PLEASE HELP!!!!!!

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  1. computergeek123
    • 2 years ago
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  2. ghazi
    • 2 years ago
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    surface area of cone+ surface area of hemisphere= entire surface area

  3. waterineyes
    • 2 years ago
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    \[SA = \pi r l + 2 \pi r^2\]

  4. waterineyes
    • 2 years ago
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    We will not include Surface Area of cone for circular part..

  5. computergeek123
    • 2 years ago
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    5.8π square inches ?

  6. waterineyes
    • 2 years ago
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    Let me check then..

  7. waterineyes
    • 2 years ago
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    \[SA = 3 \pi +1.125 \pi = 4.125 \pi\]

  8. computergeek123
    • 2 years ago
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    Agh! yeah it appears I did it two different ways and 4.125 and 5.1 were my two answers. _--lol thanks

  9. waterineyes
    • 2 years ago
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    Welcome..

  10. ghazi
    • 2 years ago
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    surface area of cone= pi*r*sqrt (r^2+l^2) and surface area of hemisphere= 2*pi*r^2

  11. ghazi
    • 2 years ago
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    yea agreed!!

  12. ghazi
    • 2 years ago
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    it's cool :)

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