anonymous
  • anonymous
Am I right? What is the surface area of a cone that has a radius of 8 feet and a slant height of 12 feet? (Use 3.14 for π.) 502.4 ft^2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@qweqwe123123123123111
dan815
  • dan815
hi
anonymous
  • anonymous
Hold on...this one I can't do in my head...

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anonymous
  • anonymous
ok lol
anonymous
  • anonymous
hi
dan815
  • dan815
|dw:1370570887164:dw|
anonymous
  • anonymous
that look really confusing! lol sorry
dan815
  • dan815
|dw:1370571102775:dw|
dan815
  • dan815
sorry i was just messing with you, i ll show you how you can really do it hahaha
dan815
  • dan815
there is a really awesome trick to this
dan815
  • dan815
|dw:1370571174015:dw|
anonymous
  • anonymous
let me guess one more time home on
dan815
  • dan815
if you take the top of the cone and cut its base out it will look like this
anonymous
  • anonymous
hold*
anonymous
  • anonymous
803.84 ft^2
anonymous
  • anonymous
Okay, the circular base area is 200.96 The cone surface is 301.44 so 502.4 is right on the money! :-)
anonymous
  • anonymous
thanks lol
dan815
  • dan815
|dw:1370571438958:dw|
dan815
  • dan815
(pi*144*2)/3+pi*8^2=502.64
dan815
  • dan815
i hope you understand this method!! its really awesome way!
anonymous
  • anonymous
thanks dan! for all ur help :D
anonymous
  • anonymous
It is, at the very least, "interesting", Dan! :-)
dan815
  • dan815
basically what i did was|dw:1370571570666:dw|
anonymous
  • anonymous
thank for the explanation! that helps!
dan815
  • dan815
no problem!! :( i just want ppl to like math
dan815
  • dan815
its really fun to come up with your own formulas for this stuff
dan815
  • dan815
its like a game
anonymous
  • anonymous
lol well i am not big into math but it is ok lol
anonymous
  • anonymous
thank you for your help
dan815
  • dan815
do you like english?
anonymous
  • anonymous
yes
anonymous
  • anonymous
i mean no
dan815
  • dan815
oh okay never mind then
anonymous
  • anonymous
kinda lol
anonymous
  • anonymous
@dan815: "its like a game" Agreed! I prefer to call math problems "math puzzles"! :-)
dan815
  • dan815
math is just another language :) where the more you learn the more different things you understand in the world through math, its like reading in math,
dan815
  • dan815
equations are like words and meaning you are understading the more functions and proofs you get under your belt, is like building a vocabulary and u can do amazing things with them
dan815
  • dan815
ok well, see you!
anonymous
  • anonymous
ok bye :)

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