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The sides of a triangle are the straight...

The sides of a triangle are the straight lines `x+y=1,7y=x ,` and `sqrt(3)y+x=0` . Then which of the following is an interior point of the triangle? Circumcenter (b) Centroid Incenter (d) Orthocenter

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The sides of a triangle are the straight lines x+y=1,7y=x , and sqrt(3)y+x=0 . Then which of the following is an interior point of the triangle? (a)Circumcenter (b) Centroid (c)Incenter (d) Orthocenter

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