State whether the statements are True or False.

An isometric sketch does not have proportional length.

State whether the statements are True or False.

Order of rotational symmetry of a semi circle is two.

State whether the statements are True or False.

In oblique sketch of the solid, the measurements are kept proportional.

State whether the statements are True or False.

A cylinder has no vertex.

State whether the statements are True or False.

All the faces, except the base of a square pyramid are triangular.