Straight Lines ...

The area of the triangle formed by the points $$(2, 6), (10, 0)$$ and $$(0, k)$$ is zero square units. Find the value of $$k.$$

Area of a triangle whose vertices are (0, 0), (2, 3) , (5, 8) is _______ square units.

The points (6 , 2) (2 , 5) and ( 9 , 6) form the vertices of a _________ triangle

The line through (1, 5) parallel to x-axis is __________

Find the equation of a line passing through the points A(3, -5) and (4, -8)

The area of triangle with vertices $$A(5,\,0),\,B(8,\,0)$$ and $$C(9,\,5)$$ is

The point $$A(-5,\,8)$$  ______ on circle of radius $$6$$ and centre $$(8,\,9)$$.

$$\triangle OPQ$$ is formed by the coordinates $$P(0,\,5),\, Q(8,\,0)$$ and origin $$O$$. The area of $$\triangle OPQ$$ is ____ square units.

The area of triangle with vertices $$A(0,\,9),\,B(0,\,4)$$ and $$C(-5,\,-9)$$ is

A circle has its centre at origin and point $$P(8,0)$$ lies on it.