What Equation Relates Pi to the Circumference of a Circle

question 11

Multiple Choice

What equation relates pi to the circumference of a circle?

• A) C = 2πr (where r is the radius of the circle)
• B) C = πr (where r is the radius of the circle)
• C) C = 2πd (where d is the diameter of the circle)
• D) C = 2πa (where a is the area of the circle)

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Definitions:

Isometric Contraction

A type of muscle contraction where the muscle exerts force without changing in length, often used in strength training.

Resistive Isometric

Exercise involving muscle contraction without joint movement, providing resistance against an immovable force.

Manual Lift

The act of lifting or moving a person or object using human strength, without mechanical assistance, often involving specific techniques to prevent injury.

Agency Lift Team

A specialized group within a healthcare facility responsible for lifting and transferring patients safely, aiming to reduce the risk of injury for both patients and staff.