waheguru
  • waheguru
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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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pottersheep
  • pottersheep
I will attempt to help you
anonymous
  • anonymous
radius is (Diameter)/(2) so for the area to be tripled i guess we can simply triply the radius
pottersheep
  • pottersheep
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

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More answers

waheguru
  • waheguru
yea i got that so far
pottersheep
  • pottersheep
I'm thinking :P
waheguru
  • waheguru
hmm
pottersheep
  • pottersheep
πr2 = 339.2 r^2 = 339.3/pi
waheguru
  • waheguru
thats what i was doing jus now =)
pottersheep
  • pottersheep
r^2 = 108 (im rounding the numbers :P) r = 10.4
waheguru
  • waheguru
YAY I ALSO GOT THAT but the asnwers say 8.8m
pottersheep
  • pottersheep
darn. are you sure you wrote the question right?
waheguru
  • waheguru
lets plug it in and see if it is tripled
waheguru
  • waheguru
yea im sure bro
pottersheep
  • pottersheep
OH I GET WHY. Because you have to say how much it increases by
waheguru
  • waheguru
?
pottersheep
  • pottersheep
Radius now is 10.4 for diameter is 20.8. Before the diameter was 12.
pottersheep
  • pottersheep
*so diameter is 20.8
waheguru
  • waheguru
and bak 2 our andwer 10.4
waheguru
  • waheguru
oh never mind
pottersheep
  • pottersheep
whoopdedoo
waheguru
  • waheguru
whait how dod u get it agiin sry
pottersheep
  • pottersheep
20.8 - 12 =
pottersheep
  • pottersheep
8.8 =D
waheguru
  • waheguru
YEYYYYYYYYYYYY WE DID IT I GOT IT 2 THX BROOOOOO
pottersheep
  • pottersheep
I'm a girl but no problem=)
waheguru
  • waheguru
OH sry
waheguru
  • waheguru
wat grade?
pottersheep
  • pottersheep
11 advanced functions
waheguru
  • waheguru
wow im just in grade 9
waheguru
  • waheguru
where u from
pottersheep
  • pottersheep
Canada, hby?
waheguru
  • waheguru
me 2
waheguru
  • waheguru
hudson bay?
pottersheep
  • pottersheep
Grade 9 math can be kind of confusing since it's the first year of highschool and everyone learned different things from different schools . =)
pottersheep
  • pottersheep
my school's in ontario
waheguru
  • waheguru
yea thx 4 ur help
pottersheep
  • pottersheep
no problem
waheguru
  • waheguru
bye
pottersheep
  • pottersheep
byebye lol
anonymous
  • anonymous
\[\frac{A_{2}}{A_{1}}=\frac{\pi r_{2}^{2}}{\pi r_{1}^{2}}\]\[3=\frac{\pi r_{2}^{2}}{\pi 6^{2}}=\frac{r_{2}^{2}}{36}\]etc.

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