The Radius of a Sphere Is 2

question 18

Multiple Choice

The radius of a sphere is 2.00 m. The surface area of the sphere is

• A) 36.7 m².
• B) 50.3 m².
• C) 72.5 m².
• D) 75.0 m².

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Definitions:

Amphiarthroses

A type of joint in the human body that allows for only slight movement, such as the joints between the vertebrae.

Synarthroses

Joints that are immovably fixed and allow for little to no movement, typically found in the axial skeleton.

Synovial Cavity

A space between the articulating bones of a synovial joint that is filled with synovial fluid, which lubricates the joint to reduce friction during movement.

Articular Cartilage

A smooth, lubricated surface covering the ends of bones in a joint, facilitating smooth movement and acting as a cushion to absorb impact.