and
the value & If the co-ordinates of
Gints Aca-a) B c-4,2) & Co Ett
e collinar
NTS A
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1
Answer:
Midpoint (D) of
BC=(
2
−2+0
,
2
3+1
)
=(−1,2)
Equation of median through vertex A is
y−7=
−1−4
2−7
(x−4)
⇒y−7=
−58
−5
(x−4)
⇒y−7=x−4
⇒x−y+3=0
Slope of line AC=
0−4
1−7
=
−4
−6
=
2
3
Equation of line through vertex B and parallel to AC is
y+2=
2
3
(x+2)
⇒2y+4=3x+6
⇒3x−2y+2=0.
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