Question

A circular plate has a crack along the line AB, as shown below. A circular plate is shown. The center of the plate is labeled as O. A straight line passes through O and joins the points A and B on the circumference of the plate. If O is the center of the plate, what is the segment AB called? arc of the plate diameter of the plate tangent of the plate circumference of the plate

Answer 1

This is called the diameter of the circular plate. The diameter of a circle is a straight line that passes through the origin with its endpoint are along the circumference of the circle. Thank you and hope this will help you.