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parvathy

  • 4 years ago

how many square meters of canvas is required for a conical tent whose height is 3.5 m and radius of whose base is 12m?(pie=22/7)

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  1. parvathy
    • 4 years ago
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    in detail i want d answer

  2. parvathy
    • 4 years ago
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    ?????????????????????????????

  3. Harkirat
    • 4 years ago
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    area of canvas required = Curved Surface Area of the cone CSA of cone = π*r*l so we first need to find l l = sqroot(r^2 + h^2) = sqroot[(12m)^2 + (3.5m)^2] = sqroot[ 144 m^2 + 12.25 m^2]

  4. mihai
    • 4 years ago
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    471 square meters

  5. Harkirat
    • 4 years ago
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    l = 12.5 m so CSA = 22/7 * 12m * 12.5 m = 471.43 sqmtr

  6. parvathy
    • 4 years ago
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    thxs to alllllllllllllllll

  7. parvathy
    • 4 years ago
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    answer is 471.4

  8. vengeance921
    • 4 years ago
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    Hmm don't we consider the base?

  9. Harkirat
    • 4 years ago
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    @vengeance921 we r not given that the base is also canvas. for the language above we just need to find the CSA

  10. vengeance921
    • 4 years ago
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    True, thanks.

  11. Harkirat
    • 4 years ago
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    Thanks, except for adding the base your calc was also right

  12. parvathy
    • 4 years ago
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    u hav done dat knw and u deleted it

  13. vengeance921
    • 4 years ago
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    Yeah because I felt it's wrong so..

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