For the following questions answer them individually
In the following circle with center O, if $$\angle$$ ABC is $$115^{\circ}$$, then $$\angle$$ AOC =
The area of the circle centred at (1, 2) and passing through the point (4, 6) is (in sq. units)
A(4, 2), 8(6, 5), C(1, 4) are the vertices of $$\triangle$$ ABC. If the median from A meets BC at D, then $$AD^{2} : BC^{2} $$=
The equation of the perpendicular bisector of the line obtained by joining the points (1, 1) and (3, 5) is
A point C divides the line joining the points A(1 , 3) and B(21 7) internally in the ratio 3 : 4. The equation of the line passing through C and parallel to the line $$2x + 7y = 4$$ is
The equation of line passing through the origin and is inclined at an angle of $$30^{\circ}$$ to the X-axis
The equation of the line passing through the points $$(1, \sqrt{3})$$ and $$(\sqrt{3}, 3)$$ is
If m denotes the slope and c denotes the intercept of a line then (m, c) for the line $$7x - lly - 23 = 0$$ is
The intercept made by the linejoi1ning the points (1 , 11) and (-3, -5) on the Y-axis is
The equation of the line passing through the point of intersection of the lines
$$2x + 3y - 4 = 0; 5x - 2y + 6 = 0$$ having slope $$\frac{-2}{3}$$ is $$ax + by + c = 0$$, $$\frac{5a + 6b}{c}$$=