Given , , and , Use the Law

question 48

Multiple Choice

Given , , and , use the Law of Cosines to solve the triangle for the value of c. Round answer to two decimal places.

• A) 13.27
• B) 9.13
• C) 14.65
• D) 13.96
• E) 11.89

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Definitions:

Physiological Activation

An increase in bodily functions in response to stimuli, indicating a heightened state of arousal.

Yerkes-Dodson Law

A theory suggesting that there is an optimal level of arousal for performance on any task; too little or too much arousal can impede performance.

Self-determination Theory

A psychological theory focused on motivation, concerning people's basic psychological needs for competence, relatedness, and autonomy.

Cannon's Theory

Also known as Cannon's fight-or-flight theory, it describes the body's automatic response to threatening or stressful situations.