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If the coordinates of the vertices of a ...

If the coordinates of the vertices of a triangle are rational numbers, then which of the following points of the triangle will always have rational coordinates

A

Centroid

B

incentre

C

circumcentre

D

orthocentre

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The correct Answer is:
A, C, D
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PATHFINDER-CARTESIAN COORDINATES AND STRAIGHT LINE-QUESTION BANK
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  3. If the coordinates of the vertices of a triangle are rational numbers,...

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  8. If the point P(x,y) be equidistant from the points A(a+b,a-b) and B(a-...

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  9. If the lines ax+by+c=0, bx+cy+a=0 and Cx+ay+b=0 are concurrent (a+b+cn...

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  15. Let f1(x,y)-=ax^2+2hxy+by^2=0 and let f(i+1)=0 denotes the equation of...

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  17. Match the List I with List II and select the correct option.

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  18. If the lines ax+by+c=0, bx+cy+a=0 and Cx+ay+b=0 are concurrent (a+b+cn...

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  20. Let, ax+by+c=0 be a variable straight line, where, a, b, c are 1^(st),...

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