Home
Class 12
MATHS
If the vertices of a triangle have ratio...

If the vertices of a triangle have rational coordinates, then prove that the triangle cannot be equilateral.

Promotional Banner

Topper's Solved these Questions

  • COMPLEX NUMBERS

    CENGAGE ENGLISH|Exercise MATRIX MATCH TYPE|9 Videos
  • CONTINUITY AND DIFFERENTIABILITY

    CENGAGE ENGLISH|Exercise Comprehension Type|2 Videos

Similar Questions

Explore conceptually related problems

If the vertices of a triangle having integral coordinates . Prove that triangle can't be equileteral .

If all the vertices of a triangle have integral coordinates, then the triangle may be (a) right-angle (b) equilateral (c) isosceles (d) none of these

If two vertices of an equilaterla triangle have integral coordinates, then the third vetex will have

Statement 1 : If the vertices of a triangle are having rational coordinates, then its centroid, circumcenter, and orthocentre are rational. Statement 2 : In any triangle, orthocentre, centroid,and circumcenter are collinear, and the centroid divides the line joining the orthocentre and circumcenter in the ratio 2:1.

If the coordinates of vertices of a triangle is always rational then the triangle cannot be

Statement 1: If in a triangle, orthocentre, circumcentre and centroid are rational points, then its vertices must also be rational points. Statement : 2 If the vertices of a triangle are rational points, then the centroid, circumcentre and orthocentre are also rational points.

A(-1, 3), B(4, 2) and C(3, -2) are the vertices of a triangle. Find the coordinates of the centroid G of the triangle.

If the vertices P, Q, R of a triangle PQR are rational points, which of the following points of the triangle POR is (are) always rational point(s) ?

In a triangle ABC sin (A/2) sin (B/2) sin (C/2) = 1/8 prove that the triangle is equilateral

Two vertices of a triangle have coordinates (-8,\ 7) and (9,\ 4) . If the centroid of the triangle is at the origin, what are the coordinates of the third vertex?

CENGAGE ENGLISH-CONIC SECTIONS-All Questions
  1. Find the orthocentre of Delta A B C with vertices A(1,0),B(-2,1), ...

    Text Solution

    |

  2. If (b2-b1)(b3-b1)+(a2-a1)(a3-a1)=0 , then prove that the circumcente...

    Text Solution

    |

  3. If line 3x-a y-1=0 is parallel to the line (a+2)x-y+3=0 then find ...

    Text Solution

    |

  4. If A(2,-1)a n dB(6,5) are two points, then find the ratio in which ...

    Text Solution

    |

  5. Angle of a line with the positive direction of the x-axis is theta ...

    Text Solution

    |

  6. Let A(6,4)a n dB(2,12) be two given point. Find the slope of a line ...

    Text Solution

    |

  7. If the points (a, 0), (b,0), (0, c), and (0, d) are concyclic (a, b, c...

    Text Solution

    |

  8. If A(-2,1),B(2,3)a n dC(-2,-4) are three points, find the angle betwee...

    Text Solution

    |

  9. The line joining the points (x ,2x)a n d(3,5) makes an obtuse angle...

    Text Solution

    |

  10. If the line passing through (4,3)a n d(2,k) is parallel to the line...

    Text Solution

    |

  11. Find the area of the pentagon whose vertices are A(1,1),B(7,21),C(7,-3...

    Text Solution

    |

  12. Let A=(3,4) and B is a variable point on the lines |x| =6. IF A Blt...

    Text Solution

    |

  13. The three points (-2,2)(8,-2),a n d(-4,-3) are the vertices of (a) ...

    Text Solution

    |

  14. The points (-a ,-b),(a , b),(a^2,a b) are (a) vertices of an equ...

    Text Solution

    |

  15. The distance between the point (acosalpha,asinalpha) and (acosbeta,asi...

    Text Solution

    |

  16. Find the length of altitude through A of the triangle A B C , where...

    Text Solution

    |

  17. If the coordinates of two points A and B are (3, 4) and (5,-2) , re...

    Text Solution

    |

  18. If the point (0,0),(2,2sqrt(3)), and (p,q) are the vertices of an eq...

    Text Solution

    |

  19. Given points P(2,3),Q(4,-2),a n dR(alpha,0) (i) Find the value of ...

    Text Solution

    |

  20. If the vertices of a triangle have rational coordinates, then prove...

    Text Solution

    |