Chord

Definition of Chord

• Chord is a line segment on the interior of a circle with both its endpoints lying on the circle.

Examples of Chord

• In the circle shown, PQ and AB are chords with their endpoints P, Q and A, B respectively lying on the circle.

Solved Example on Chord

Find the length of the longest chord of the circle with radius 5 cm.

Choices:

A. 10 cm

B. 5 cm

C. 1 cm

D. 2 cm

Correct Answer: A

Solution:

Step 1: The longest chord of a circle is its diameter.

Step 2: So, the length of the longest chord is 10 cm.

Related Terms for Chord

• Line Segment
• Endpoint

Additional Links for Chord

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