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AP EAMCET · Maths · Straight Lines

If the vertices of the triangles are (1,2,3),(2,3,1),(3,1,2) and if H, G, S and I respectively denote its orthocenter, centroid, circumcenter and incenter, then H+G+S+I=

  1. A (2,2,2)
  2. B (4,4,4)
  3. C (6,6,6)
  4. D (8,8,8)
Verified Solution

Answer & Solution

Correct Answer

(D) (8,8,8)

Step-by-step Solution

Detailed explanation

Distance between x,y,z & a,b,c is x-a2+y-b2+z-c2.AB=1+1+4=6 BC=1+1+4=6 AC=4+1+1=6 So it is an equilateral triangle H=S=I=G=1+2+33,2+3+13,3+1+23≡2,2,2 ⇒H+S+I+G=2+2+2, 2+2+2, 2+2+2=8, 8, 8
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