The diameter of the compact disc (CD) usually _____ inches.

کمپیکٹ ڈسک (سی ڈی) کا قطر عام طور پر _____ انچ۔

2.75

4.75

3.75

None of these

A standard compact disc (CD) is 120 mm (12 cm) (4.75 inches) in diameter and 1.2 mm (0.05 inch) thick.

This size is widely used for storing data, music, or video.