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A cow is tethered by a 100ft rope to the inside corner of an Lshaped building, as show in the figure. Find the area that the cow can graze.
a=20, b=50, c=100, d=60, e=50
 one year ago
 one year ago
A cow is tethered by a 100ft rope to the inside corner of an Lshaped building, as show in the figure. Find the area that the cow can graze. a=20, b=50, c=100, d=60, e=50
 one year ago
 one year ago

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moongazerBest ResponseYou've already chosen the best response.1
http://s43.photobucket.com/albums/e364/bloome74/?action=view¤t=Cow.png
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
could you check my answer i got 4950pi ft^2
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
Could you show your solutions if I got a wrong answer :)
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
I used the formula of 1/4 of a circle :)
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
You computed for 4 areas right? then added it :)
 one year ago

ChampsBest ResponseYou've already chosen the best response.1
Actually you should use area of a sector, where angle is Pi/4.
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
ohhh, so it is better to use the area of sector formula?
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
I tried it and it is the same :)
 one year ago

ChampsBest ResponseYou've already chosen the best response.1
Area of sector is ( Theta/2) x r^2. WHere theta is in radians.
 one year ago

ganeshie8Best ResponseYou've already chosen the best response.1
http://www.wolframalpha.com/input/?i=pi%2F4%28100%5E2%2B40%5E2%2B50%5E2%2B30%5E2%29
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
@ganeshie8 Thanks, I made an arithmetic error with the area with radius 40 :)
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
@Champs Which do you think is the better thing to use (although the result will be the same) ? area of sector formula or area of 1/4 of a circle? please explain :)
 one year ago

ganeshie8Best ResponseYou've already chosen the best response.1
hmm i have used 1/4 of circle area as it looked obvious at first glance. but as you said it is same thing as sector formula eh ? in sector formula we multiply the area by a factor of : \(\frac{\pi/2}{2\pi} \) = 1/4 both sector formula and area of 1/4 of a circle give the same factor :P
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
@Champs @ganeshie8 Thanks to both of you. :)
 one year ago

ganeshie8Best ResponseYou've already chosen the best response.1
yup ! good thinking !! yw :)
 one year ago

ChampsBest ResponseYou've already chosen the best response.1
It is better to use area of sector otherwise you'd face problem when the angle is not =90 deg.
 one year ago

moongazerBest ResponseYou've already chosen the best response.1
@Champs oh. That makes sense. Thanks for the reminder I will remember that. :) I'll also try to solve this with area of sector. :)
 one year ago

Kenneth05Best ResponseYou've already chosen the best response.0
@Moongazer what is your answer for that problem? Thanks.
 9 months ago
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