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Allythegymnast

  • one year ago

23. Name three faces of the cube above that intersect at point G. (1 point) a. DHGC, CBFG, GFEH b. ABFE, ADHE, ABCD c. DCBA, GEBF, GFEH d. GDAF, CBFG, GFEH 26. Find the surface area of the cylinder to the nearest tenth of a square unit. Use pi. = 3.14. a. 206 cm2 b. 100.5 cm2 c. 623 cm2 d. 412 cm2 mc0262.jpg nar0021.jpg

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  1. TammisaurusRex
    • one year ago
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    I'll give you one face for the cube, and you should be able to find two more. One is ABCD.

  2. TammisaurusRex
    • one year ago
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    As for the surface area of the cylinder.. do you know the formula to find the surface area of a cylinder?

  3. Allythegymnast
    • one year ago
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    no..

  4. ConnexussKidd96
    • one year ago
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    which unit and lesson

  5. Allythegymnast
    • one year ago
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    unit 2 lesson 16. 7th grade

  6. TammisaurusRex
    • one year ago
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    Here's the formula for the surface area of a cylinder: \[2\pi r ^{2} + 2\pi r h\] Where r = radius h = height \[\pi = p i\]and pi = 3.14

  7. TammisaurusRex
    • one year ago
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    Do you know how to plug your values in?

  8. ConnexussKidd96
    • one year ago
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    ohh im in 10th grade lol

  9. Allythegymnast
    • one year ago
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    No....

  10. Allythegymnast
    • one year ago
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    i tried but i got a WAY different answer then the answers provided..

  11. TammisaurusRex
    • one year ago
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    What values did you plug into where? (what did you use for the radius and what did you use for the height?)

  12. Allythegymnast
    • one year ago
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    wait i think i got it is it 412???

  13. TammisaurusRex
    • one year ago
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    Well, here's how it should look before solving:\[(2)(3.14)(4^{2}) + (2)(3.14)(4)(12.4)\]

  14. TammisaurusRex
    • one year ago
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    If you simplify that by squaring the radius, then it's: (2)(3.14)(16) + (2)(3.14)(4)(12.4) How would you go bout solving this?

  15. Allythegymnast
    • one year ago
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    |dw:1361818233566:dw|

  16. TammisaurusRex
    • one year ago
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    Yes! Very good!

  17. Allythegymnast
    • one year ago
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    Thx!!

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