anonymous
  • anonymous
Can someone help me solve this....
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
|dw:1348871903875:dw| If length of this rectangle be thrice its width and its perimeter be 56, then find the co ordinates of the rest of the sides...
anonymous
  • anonymous
Can you use that information to set up the two equations you need?
anonymous
  • anonymous
Ive tried but Im getting two second degree equations!!!

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anonymous
  • anonymous
Actually I'm down with a terrible cold so my brain aint working so well.. So need a lil help!!!
anonymous
  • anonymous
Woah. Well, "The length is thrice the width" --> L=3W.
anonymous
  • anonymous
"Perimeter is 56" --> 2L+2W=56.
anonymous
  • anonymous
yah got that part ryt!!
anonymous
  • anonymous
Sub the first equation into the second to solve for W.
anonymous
  • anonymous
length = 18 units and breadth 6
anonymous
  • anonymous
18 and 6 won't get you a perimeter of 56.
anonymous
  • anonymous
:P
anonymous
  • anonymous
ryt!! Sorry!!! 21 and 7!!
anonymous
  • anonymous
Excellent. Now you can just count over and down from the given point to find all the other coordinates.
anonymous
  • anonymous
yeah!! But when I try to use the distance formula!!! Im getting two second degree equations!! How m I suppose to solve them when ive got two equation something like ax^2+b^y2+cx+dy+e=0
anonymous
  • anonymous
I think i made some mistake somewhere. Would you be kind enough to help me out!! Its the darn cold!!
anonymous
  • anonymous
Forget about the distance formula! Just count.
anonymous
  • anonymous
The distance formula is so overrated. It is merely the pythagorean theorem, but when you have horizontal and vertical lines, you don't need to solve for a hypotenuse.
anonymous
  • anonymous
then?? Should I just put in simple increment formula and solve??
anonymous
  • anonymous
I know its suppose to be darn simple but my heads all frozen up!! @CliffSedge
anonymous
  • anonymous
|dw:1348872917396:dw|
anonymous
  • anonymous
|dw:1348872954175:dw| etc.
anonymous
  • anonymous
No formulas, no solving - elementary arithmetic.
anonymous
  • anonymous
k got it!! :D Thank man!!! Thanx a ton!! :P hahahahha!! Ryt!!

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