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  1. anonymous
    • one year ago
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    @mathmate @mathway @DullJackel09 @-Welp- @oleg3321 @SidS. @Concentrationalizing @steffie84

  2. anonymous
    • one year ago
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    is it 50.80 m^2

  3. mathmate
    • one year ago
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    |dw:1438736864958:dw| Lateral area of a cone is \(A_L =\pi r l=\pi (2.1)(5.6)~m^2 \) If total surface area is required, add area of base, \(A_b =\pi r^2 = \pi 2.1^2 ~m^2 \)

  4. mathmate
    • one year ago
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    Yes, your answer is correct. The total surface area is 36.95+13.85=50.80 m^2

  5. anonymous
    • one year ago
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    ok ..thanks . i just needed justification

  6. mathmate
    • one year ago
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    You're welcome! :) For justification, I have already given the formulas. Also, I verified your number to be correct.

  7. anonymous
    • one year ago
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    lol. i know i was saying thanks for the justification

  8. mathmate
    • one year ago
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    Good! :)

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spraguer (Moderator)
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