From the following figure, which is the repetitive dimension?

In aligned system the dimensions are ______

What is the angle of inclined letter to be drawn through right side?</p>

Aligned system is used for drawing of air crafts, automobiles.

Dimensioning system used in Engineering drawing is ______</p>

Which is the wrong statement from the below options?

Initial work and construction lines are drawn using __ pencil.

What is the height if the dimension figures written on the dimension line?