Use the Definition $\theta = \frac { s } { r }$

question 4

Multiple Choice

Use the definition $\theta = \frac { s } { r }$ to determine the radian measure of the angle in the figure below.

• A) \(\theta = 0.2\) radians
• B) \(\theta = 0.4\) radians
• C) \(\theta = 1.25\) radians
• D) \(\theta = 0.83\) radians
• E) \(\theta = 0.13\) radians

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Definitions:

Annular Ligament

A fibrous band of tissue that encircles and stabilizes a joint.

Radial Head

The proximal end of the radius bone in the forearm, near the elbow, that allows for arm rotation.

Knee Joint

A complex hinge joint that connects the thigh bone (femur) to the shin bone (tibia), allowing for movement in the lower leg.

Hinge Joint

A type of synovial joint that allows movement primarily in one plane, similar to the motion of a door hinge.