The sides AB and AD of a parallelogram ABCD are `2x-y+1=0 and x+3y-10=0` respectively and `C` is the point `(-1, -2)`. Find the equation of the diagonals AC.

The equations of the perpendicular bisectors of the sides A Ba n dA C of triangle A B C are x-y+5=0 and x+2y=0 , respectively. If the point A is (1,-2) , then find the equation of the line B Cdot

The equations of the perpendicular bisectors of the sides A Ba n dA C of triangle A B C are x-y+5=0 and x+2y=0 , respectively. If the point A is (1,-2) , then find the equation of the line B Cdot

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 :

If in parallelogram ABDC , the coordinate of A , B and C are respectively (1,2) , (3,4) and (2,5) , then the equation of the diagonal AD is

Two consecutive sides of a parallelogram are 4x+5y=0 and 7x+2y=0 . If the equation of one diagonal is 11 x=7y=9, find the equation of the other diagonal.

Two consecutive sides of a parallelogram are 4x+5y=0 and 7x+2y=0 . If the equation of one diagonal is 11 x+7y=9, find the equation of the other diagonal.

The equation of the side AB and AC of a triangle ABC are 3x+4y+9 and 4x-3y+16=0 respectively. The third side passes through the point D(5, 2) such that BD:DC=4:5 . Find the equation of the third side.

Let the equations of the sides PQ, QR, RS and SP of a quadrilateral PQRS are x+2y-3=0, x-1=0, x-3y-4=0 and 5x+y+12=0 respectively. If theta is the angle between the diagonals PR and QS, then the value of |tan theta| is equal to

The two adjacent sides of parallelogram are y = 0 and y=sqrt3(x-1) . If equation of one diagonal is sqrt3y=(x+1) , then equation of other diagonal is

Two equal sides of an isosceles triangle are given by 7x-y+3=0 and x+y=3 , and its third side passes through the point (1,-10) . Find the equation of the third side.