What's the Average Radius of a Tennis Ball? What is the Formula Used to Calculate It?
The average radius of a tennis ball is 3.5 cm or 0.035 meters. The International Tennis Federation (ITF) specifies that a tennis ball's diameter must measure between 6.54 cm and 6.86 cm (2.575 in to 2.7 in). The radius is half the diameter, so the average radius is 3.27 cm to 3.43 cm (1.29 in to 1.35 in).
Formula for Calculating the Radius of a Tennis Ball
The radius can be calculated using the diameter or circumference of the ball. Here's the formula:
Radius = Diameter/2
FAQs
- What is the ITF's specified diameter range for a tennis ball? Between 6.54 cm and 6.86 cm (2.575 in to 2.7 in).
- What is the average diameter of a tennis ball? 6.7 cm or 0.067 m.
- How small can a tennis ball's diameter be? 6.54 cm or 0.0654 m.
- How large can a tennis ball's diameter be? 6.86 cm or 0.0686 m.
- What is the smallest the radius of a tennis ball can be? 3.27 cm or 0.0327 m.
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