Question

In computer aided drafting practice, an arc is defined by

(a) Two end points only

(b) Center and radius

(c) Radius and one end point

(d) Two end points and center

I got this question in class test.

This intriguing question originated from Computer Aided Analysis for Four Bar Mechanism in section Computer Aided Analysis and Synthesis of Mechanisms of Machine Dynamics

Answer 1

The correct option is (d) Two end points and center

The best I can explain: Two end points and center defines an arc.