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Byju's Answer
Standard XII
Mathematics
Circumcentre
If in triangl...
Question
If in triangle ABC,
A
≡
(
1
,
10
)
,
circumcenter
≡
(
−
1
3
,
2
3
)
and orthocenter
≡
(
11
3
,
4
3
)
,then the coordinates of mid-point of side opposite to A is
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Solution
In triangle ABC,
A
≡
(
1
,
10
)
, circumcenter
(
0
)
≡
(
−
1
3
,
2
3
)
and orthocenter
(
H
)
≡
(
11
3
,
4
3
)
Therefore the coordinates of
G
(
1
,
8
9
)
As AD : DG =3 :1
D
x
=
3
−
1
2
=
1
,
D
y
=
(
8
3
−
10
)
2
=
−
11
3
Hence the coordinates of mid point of BC is
(
1
,
−
11
3
)
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Circumcentre
Standard XII Mathematics
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