The three forms of axonometric projection are diametric, trimetric, and ___ projection.

In the first angle projection, to obtain the right side view, the auxiliary vertical plane (A.V.P.) is assumed to be pla…

When the picture plane coincides with the object, the perspective of the object will be of its ___ size.

A point is determined by the intersection of two ___.

Compared to the actual diameter, the isometric diameter of a sphere is ___.

How are cutting plane lines drawn?

A quadrilateral is a figure bounded by ___.

In a logarithmic spiral, the ___ of lengths of constitutive radii enclosing equal angles is constant.