The number of common tangents that can be drawn to two circles which touch each other externally?

Number of diagonal that a hexagon can have?

The included angle of a pentagon is_____

For a rectangular hexagon, the radius of the circumscribing circle is equal to ...

A curve traced out by a point in a straight line, which rolls without slipping along polygon or a circle is called ....

When the eccentricity of a conic curve is smaller than 1, the curve known as ....

Which curve is generated when the surface of a cone is intersected by a closed curve on one side of the apex?

Which curve is generated when the surface of a cone is intersected by a closed curve parallel to the generating circle of the cone on one side of the apex?

_____________ is the conic created by the intersection of the plane parallel to one of the generators of the cone.

Conic is a locus of points whose distance from a fixed point is a constant multiple of the distance from the fixed line. The fixed point is called_____

Conic sections are the locus of points whose distance from a focus is a constant, multiple of the distance from the ......

Eccentricity (e) of the conic sections __________ when the distance of a point on the conic sections from the focus is f and the distance of the same point from the directrix.

Which of the following is true for the circle? Eccentricity is indicated as e.

The straight lines which are drawn from various points on the contour of an object to meet a plane are called as ______

When the projectors are parallel to each other and also perpendicular to the plane, the projection is called .......

In the Oblique projection an object is represented by how many views?

In orthographic projection, each projection view represents how many dimensions of an object?

The hidden parts inside or back side of object while represented in orthographic projection are represented by which line?

The front view of an object is shown on which plane?