Home
Class 12
MATHS
In an equilateral triangle ABC, equation...

In an equilateral triangle ABC, equation of the sides BC is `x+y-2=0` and the centroid of `DeltaABC` is (0, 0). If points A, B and C are in anticlockwise order, then the equation of side AC is

A

`(y+2)=(2-sqrt3)(x+2)`

B

`(y+2)=(2+sqrt3)(x+2)`

C

`(y+1)=(2+sqrt3)(x+1)`

D

`x+2=0`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • JEE MOCK TEST 21

    NTA MOCK TESTS|Exercise MATHEMATICS|25 Videos
  • JEE MOCK TEST 24

    NTA MOCK TESTS|Exercise MATHS|25 Videos

Similar Questions

Explore conceptually related problems

In the equilateral triangle ABC, the equation of the side BC is x+y-2=0 and the centroid of DeltaABC is (0, 0). If the points A, B, C are in anticlockwise oder, then the midpoint of the line segment joining A and C is

One vertex of an equilateral triangle is (2,3) and the equation of one side is x-y+5=0. Then the equations to other sides are

In a triangle,ABC,the equation of the perpendicular bisector of AC is 3x-2y+8=0. If the coordinates of the points A and B are (1,-1)&(3,1) respectively,then the equation of the line BC & the centre of the circum-circle of the triangle ABC will be

In DeltaABC , equation of side BC is x+y-6=0, also the circumcentre and orhtocentre are (3, 1) and (2, 2) respectively, then the equation of the circumcircle of DeltaABC is

In a triangle ABC ,if the centroid is (2,0) and the mid point of BC is (1,3) then A=

The equations of the sides AB and CA of a DeltaABC are x+2y=0 and x-y=3 respectively. Given a fixed point P(2, 3). Q. If P be orthocentre of DeltaABC then equation of side BC is :

A circle circumscribing an equilateral triangle with centroid at (0,0) of a side a isdrawn and a square is drawn touching its four sides to circle.The equation ofcircle circumscribing the square is:

If A(0, 0), B(2, 4) and C(6, 4) are the vertices of a triangle ABC , find the equations of its sides.

NTA MOCK TESTS-JEE MOCK TEST 23-MATHEMATICS
  1. The greatest integer less than or equal to (sqrt2+1)^6 is

    Text Solution

    |

  2. If cos x-sinx=-(5)/(4), where (pi)/(2)ltx lt(3pi)/(4), then cot((x)/(2...

    Text Solution

    |

  3. In DeltaPQR, the equation of the internal angle bisector of angle Q is...

    Text Solution

    |

  4. Let the lines l(1) and l(2) be normals to y^(2)=4x and tangents to x^(...

    Text Solution

    |

  5. The value of lim(xrarroo)((lnx)^(2))/(2+3x^(2)) is equal to

    Text Solution

    |

  6. The value of lim(nrarroo)Sigma(r=1)^(n)((2r)/(n^(2)))e^((r^(2))/(n^(2)...

    Text Solution

    |

  7. The direction cosines l, m and n of two lines are connected by the rel...

    Text Solution

    |

  8. The function f(x)=x^(3)-ax has a local minimum at x=k, where k ge 2, t...

    Text Solution

    |

  9. Let two circles having radii r(1) and r(2) are orthogonal to each othe...

    Text Solution

    |

  10. The value of int(0)^((pi)/(2))(cos 2x cos 2^(2)x cos 2^(3)x cos 2^(4)x...

    Text Solution

    |

  11. Let A be a matrix of order 3xx3 such that |A|=3. Let B=3A^(-1) and C =...

    Text Solution

    |

  12. Let (hatp xxvecq)xx hatp+(hatp. vecq)vecq=(x^(2)+y^(2))vecq+(14-4x-6...

    Text Solution

    |

  13. If p and q are two statements, then which of the following statement i...

    Text Solution

    |

  14. In an equilateral triangle ABC, equation of the sides BC is x+y-2=0 an...

    Text Solution

    |

  15. The minimum distance between the curves y=tanx, AA x in (-(pi)/(2),(p...

    Text Solution

    |

  16. A fair die is thrown n number of times. If the probability of always g...

    Text Solution

    |

  17. How many 4 letter words can be formed from the word "MATHEMATICS" ?

    Text Solution

    |

  18. If f(x)={{:((1+|sinx|)^((p)/(|sinx|)),",",-(pi)/(6)ltxlt0),(q,":",x=0)...

    Text Solution

    |

  19. If f(x)=sinx, g(x)=cosx and h(x)=cos(cosx), then the integral I=int f(...

    Text Solution

    |

  20. If numerically greatest term in the expansion of (3-5x)^(11), where x=...

    Text Solution

    |