Axis the line segment joining the centres of two bases is called the axis of the cylinder.

Axis the line segment joining the centres of two circular bases is called the axis of the cylinder.

The radical axis of two touching circles divides the line segment joining the centre of circles in the ratio of their

Axis of a prism the straight line joining the centres of the ends of a prism is called the axis of the prism.

Height the length of the line segment joining the vertex to the center of the base is called the height of the cone.

Take two points A and C on the circle, them the line segment joining the point A and C is called a ………... of the circle.

The transverse axis of a hyperbola is along the x-axis and its length is 2a. The vertex of the hyperbola bisects the line segment joining the centre and the focus. The equation of the hyperbola is

Height the length of the axis of the cylinder is called the height of the cylinder.

Slant height the length of the line segment joining the vertex to any point on the circular edge of the base is called the slant height of the cone.

Prove that the line segment joining the points of contact of two parallel tangents of a circle, passes through its centre.