1. The act process of or result of calculating.
A. decimal
b. calculation
c. standard
d. fraction
2. number expressed as a quotient of two other numbers.
a. fraction
b. decimal
c. standard
d. calculation
3. light thin lines used to show the size of the object
a. visible line
b. invisible line
c. dimension line
d. borderline
4. a light line used as axis of symmetry used for center of circle and acts.
a. invisible line
b. dimension line
c. visible line
d. center line
5.a medium line used to show edges and contours not visible to eye.
a. invisible line
b. visible line
c. center line
d. dimension line​