if the orthocenter circumcenter of a triangle are (2 -3) , (5, 6) then the centroid is
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Answered by
37
Answer:
(iii) 45 ... 3/5 = (3 × -7)/(5 × -7) = -(12/35 )
Answered by
16
O is the circumcentre and O
′
is the orthocentre of the triangle.
Thus 2OD=AO
′
Therefore, 2
OD
=
AO
′
....(i)
Now take
AO
′
+
O
′
B
+
O
′
C
=2
AO
′
+(
O
′
A
+
O
′
B+
O
′
C
)
=2
AO
′
+2
O
′
O
=2
AO
=
AP
....where AP is the diameter through A of the circumcircle.
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