Circumcentre lies INSIDE for

Circumcentre lies INSIDE for
  1. acute triangles
  2. obtuse triangles
  3. right triangles only
  4. all triangles

Solution

Acute $\Rightarrow$ inside; right $\Rightarrow$ on hypotenuse; obtuse $\Rightarrow$ outside.

Asked in: MH-SSC-9

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