Question

use the blueprint to answer the question. on the two side views, what lines are being shown in addition to the object line?
cutting plane
extension line
leader line
center line
question 2 of 9

Explanation:

In engineering blue - prints, center lines are often shown in side views along with object lines to indicate symmetry or the central axis of cylindrical or symmetric parts. Cutting planes are used to show internal features and are usually represented differently. Extension lines are for dimensioning and leader lines are for pointing to features with notes.

Answer:

Center Line