pooja195
  • pooja195
Confused. http://prntscr.com/90o2b6
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!
pooja195
  • pooja195
Im not sure about how to solve the lengths...something about 2/3 this is new to me so im kinda lost ;-;
ganeshie8
  • ganeshie8
|dw:1447041674170:dw|
anonymous
  • anonymous
isn't pq 20 and pn 40

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anonymous
  • anonymous
because m is the midd;e
anonymous
  • anonymous
sawry,....
ganeshie8
  • ganeshie8
recall this interesting property between `median` and `centroid` : `The centroid of a triangle divides each median in the ratio 2:1`
pooja195
  • pooja195
>.< right so those are centroids?? ol i feel so dumb right now xD
ganeshie8
  • ganeshie8
|dw:1447041943356:dw|
ganeshie8
  • ganeshie8
centroid is a point, not a line segment. Q is the centroid of shown triangle above
ganeshie8
  • ganeshie8
and PN is a median yeah :)
pooja195
  • pooja195
Still confused ._.
anonymous
  • anonymous
??????????? how do you know 2x=20? I'm sorry I'm dumb, but i just really want to know how do you know it's a centroid? and if it's a centroid, doesn't that mean it's the center of the shape..? how do you know which one is 2x and which one is just 1x???
pooja195
  • pooja195
I just needed help ;-;
anonymous
  • anonymous
@ganeshie8 pleeeez explain..? sorry I'm so dumb but what level of math is this? it seems fun
ganeshie8
  • ganeshie8
good question, but first let me finish answering to @pooja195
anonymous
  • anonymous
sorry,
anonymous
  • anonymous
but the question closed..?
ganeshie8
  • ganeshie8
|dw:1447042493388:dw|
pooja195
  • pooja195
@ganeshie8 you can answer their question first im interested in knowning
anonymous
  • anonymous
that makes sense.... but hoooowwww do u know its centroid...
pooja195
  • pooja195
Isn't it the point where all the lines intersect at one point?
pooja195
  • pooja195
Wouldn't that be the centroid?
anonymous
  • anonymous
yeah, but then... why is it 2x and 1x, should both sides be equal???
ganeshie8
  • ganeshie8
It is "given" to us that G is centroid. all the medians intersect at a common point called centroid
anonymous
  • anonymous
wow, plane geometry
ganeshie8
  • ganeshie8
check this http://www.qc.edu.hk/math/Junior%20Secondary/Centroid%20divides%20medians%20in%202%20to%201.htm
pooja195
  • pooja195
Ok thank you for helping @ganeshie8 I think I have it figured out :)
anonymous
  • anonymous
nice website, i sorta understand too!!! :)
anonymous
  • anonymous
|dw:1447042765615:dw|
pooja195
  • pooja195
:)

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