Center lines are used to indicate the center of a whole circle or a part of a circle and also to show that an object is ____ a line.
A) tangential to
B) adjacent to
C) symmetrical about
D) enclosed around

Question

Quizplus · Accepted Answer

Center lines are used to show the symmetry of an object about a line. Option A, tangential to, is incorrect because center lines do not necessarily indicate tangency. Option B, adjacent to, is incorrect because center lines do not indicate adjacency. Option D, enclosed around, is also incorrect because center lines do not necessarily indicate enclosure.

Center Lines Are Used to Indicate the Center of a Whole