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waheguru

  • 3 years ago

PLEASE DONT GIVR THE ANSWER JUST TAKE ME STEP BY STEP UNTIL I --- GET THE ANSWER A CIRCULAR GARDEN HAS A DIAMETER OF 12M BY HOW MUCH DOES TEH DIAMETER HAVE 2 BE INCREASED SO THAT THE AREA TRIPLES

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  1. pottersheep
    • 3 years ago
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    I will attempt to help you

  2. LagrangeSon678
    • 3 years ago
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    radius is (Diameter)/(2) so for the area to be tripled i guess we can simply triply the radius

  3. pottersheep
    • 3 years ago
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    So area of circle: πr2 Diameter: 12 so Radius :6m The area we have now: π(6)^2 = 113.1m^2 area we need = 113.1m^2 x 3 = 339.2

  4. waheguru
    • 3 years ago
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    yea i got that so far

  5. pottersheep
    • 3 years ago
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    I'm thinking :P

  6. waheguru
    • 3 years ago
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    hmm

  7. pottersheep
    • 3 years ago
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    πr2 = 339.2 r^2 = 339.3/pi

  8. waheguru
    • 3 years ago
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    thats what i was doing jus now =)

  9. pottersheep
    • 3 years ago
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    r^2 = 108 (im rounding the numbers :P) r = 10.4

  10. waheguru
    • 3 years ago
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    YAY I ALSO GOT THAT but the asnwers say 8.8m

  11. pottersheep
    • 3 years ago
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    darn. are you sure you wrote the question right?

  12. waheguru
    • 3 years ago
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    lets plug it in and see if it is tripled

  13. waheguru
    • 3 years ago
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    yea im sure bro

  14. pottersheep
    • 3 years ago
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    OH I GET WHY. Because you have to say how much it increases by

  15. waheguru
    • 3 years ago
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    ?

  16. pottersheep
    • 3 years ago
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    Radius now is 10.4 for diameter is 20.8. Before the diameter was 12.

  17. pottersheep
    • 3 years ago
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    *so diameter is 20.8

  18. waheguru
    • 3 years ago
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    and bak 2 our andwer 10.4

  19. waheguru
    • 3 years ago
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    oh never mind

  20. pottersheep
    • 3 years ago
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    whoopdedoo

  21. waheguru
    • 3 years ago
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    whait how dod u get it agiin sry

  22. pottersheep
    • 3 years ago
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    20.8 - 12 =

  23. pottersheep
    • 3 years ago
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    8.8 =D

  24. waheguru
    • 3 years ago
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    YEYYYYYYYYYYYY WE DID IT I GOT IT 2 THX BROOOOOO

  25. pottersheep
    • 3 years ago
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    I'm a girl but no problem=)

  26. waheguru
    • 3 years ago
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    OH sry

  27. waheguru
    • 3 years ago
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    wat grade?

  28. pottersheep
    • 3 years ago
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    11 advanced functions

  29. waheguru
    • 3 years ago
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    wow im just in grade 9

  30. waheguru
    • 3 years ago
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    where u from

  31. pottersheep
    • 3 years ago
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    Canada, hby?

  32. waheguru
    • 3 years ago
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    me 2

  33. waheguru
    • 3 years ago
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    hudson bay?

  34. pottersheep
    • 3 years ago
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    Grade 9 math can be kind of confusing since it's the first year of highschool and everyone learned different things from different schools . =)

  35. pottersheep
    • 3 years ago
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    my school's in ontario

  36. waheguru
    • 3 years ago
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    yea thx 4 ur help

  37. pottersheep
    • 3 years ago
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    no problem

  38. waheguru
    • 3 years ago
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    bye

  39. pottersheep
    • 3 years ago
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    byebye lol

  40. dmancine
    • 3 years ago
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    \[\frac{A_{2}}{A_{1}}=\frac{\pi r_{2}^{2}}{\pi r_{1}^{2}}\]\[3=\frac{\pi r_{2}^{2}}{\pi 6^{2}}=\frac{r_{2}^{2}}{36}\]etc.

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