anonymous
  • anonymous
What is the magnitude and direction of line GH if G(3, -2) and H(6, 4)?
Computer Science
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
A. magnitude: 6.71 units; direction 63.43° B. magnitude: 6.71 units: direction: 26.57° C. magnitude: 3.61 units; direction: 26.57° D. magnitude: 3.61 units: direction: 63.43°
anonymous
  • anonymous
please help D: I dont understand how to do this at all
anonymous
  • anonymous
@ganeshie8

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ganeshie8
  • ganeshie8
For magnitude, use the distance formula
anonymous
  • anonymous
that's it?
ganeshie8
  • ganeshie8
that's it for magnitude :)
ganeshie8
  • ganeshie8
cuz magnitude is just the distance between two points
anonymous
  • anonymous
well I did the distance formula and I got 6.7082
ganeshie8
  • ganeshie8
good job !
anonymous
  • anonymous
what about the direction?
ganeshie8
  • ganeshie8
for direction, u need to find the \(\text{slope}\) first
anonymous
  • anonymous
do I use the slope formula?
ganeshie8
  • ganeshie8
Yes !
anonymous
  • anonymous
when I used the slope formula I got 2? is that right or did I make a mistake?
ganeshie8
  • ganeshie8
thats the correct slope
ganeshie8
  • ganeshie8
direction = \(\tan^{-1}(2)\)
anonymous
  • anonymous
I got 63.43! omg thank you so much you are life saver!!! so the answer is A, right?
ganeshie8
  • ganeshie8
thats correct ! np :)
anonymous
  • anonymous
thanks for the medal too c:
ganeshie8
  • ganeshie8
:)
arnavguddu
  • arnavguddu
try these formulas..... its will be useful Say from A(x1, y1) to B(x2, y2).... dx = x2 - x1 dy = y2 - y1 Distance = sqrt( dx^2 + dy^2 ) Direction or angle = tan inverse (dy/dx)
anonymous
  • anonymous
thank you! but I already got my answer. I'll use your method for future references though c:
arnavguddu
  • arnavguddu
ok.... grt...and no probs

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