anonymous
  • anonymous
Traingle ABC has vertices A(3,4) B(-5,2) and C (1,-4). Determine an equation for a) CD, the median from C to AB b) AE, the altitude from A to BC c) GH, the right bisector of AC
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
a) find the midpoint of AB using the formula the median is the line that connects the vertex to the midpoint so C is the vertex and then u find the slope of the two points (midpoint of AB, and C) ^use the formula
anonymous
  • anonymous
|dw:1327893570986:dw|
anonymous
  • anonymous
so find the midpoint of AB and then slope of MC

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anonymous
  • anonymous
yep yep :P
anonymous
  • anonymous
then for b) the altitude is the line that is perpendicular to BC and it goes through the vertex
anonymous
  • anonymous
whts the vertex... the middle point
anonymous
  • anonymous
so u find the slope of BC and then do the negative reciprocal of it and then u find the slope from A
anonymous
  • anonymous
the vertex is either A, B or C (the pointy thingy charmzz)
anonymous
  • anonymous
lol ok
anonymous
  • anonymous
how abt c)
anonymous
  • anonymous
the right bisector is the midpoint and is perpendicular, it has nothing to do with the vertex
anonymous
  • anonymous
so u find the midpoint of AC and find its slope
radar
  • radar
Start by finding the mid point of AB, the end points are B (-5,2) and A (3,4). The mid point would be (-1,3) Do you understand how that is calculated.
anonymous
  • anonymous
yeah she knows theres a formula for it
radar
  • radar
You now have two points for the desired line (median) (-1,3) and (1,-4) (vertice C)
anonymous
  • anonymous
vertice* not vertex my bad
radar
  • radar
You can now calculate the slope and the equation for the line. Completing a)
radar
  • radar
If you want to lol
anonymous
  • anonymous
|dw:1327895696974:dw|

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