1. The straight line 7x -2y +10 = 0 and 7x+2y -10 = 0 forms an isosceles triangle with the line y =2 .find the area of the triangle .
2.The equation of the perpendicular bisector of the sides AB and ACof the triangle ABC are x - y + 5 = 0 and x + 2y =0 respectively . If the point A is (1,-2) then equation of the line BC woud be.
3. A straight line passes through the origin O meets the parallel lines 4x+2y =9 and 2x + y + 6 = 0 at the points P and Q respectively. then the points O divides the the segment PQ in ratio (which ratio).