(a) Is every diameter of a circle also a chord?
(b) Is every chord of a circle also a diameter?

Solution:

A circle is a two-dimensional figure formed by a set of points that are at a constant or at a fixed distance (radius) from a fixed point (center) in the plane

(a) Every diameter of a circle is also a chord. In fact, diameter is the longest chord of a circle.
(b) No, every chord of a circle is not a diameter as every chord doesn't pass through the centre of a circle.

NCERT Solutions for Class 6 Maths Chapter 4 Exercise 4.6 Question 2

(a) Is every diameter of a circle also a chord? (b) Is every chord of a circle also a diameter?

Summary:

(a) Every diameter of a circle is also a chord. In fact, diameter is the longest chord of a circle. (b) No, every chord of a circle is not a diameter.

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