The Two Triangles Below Are Similar $x = 4.9 ; y = 3.9$

question 22

Multiple Choice

The two triangles below are similar. Find the unknown side lengths.
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• A) \(x = 4.9 ; y = 3.9\)
• B) \(x = 1.60 ; y = 3.6\)
• C) \(x = 5.6 ; y = 3.9\)
• D) \(x = 4.9 ; y = 3.6\)

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Definitions:

Optimal Stimulation

A psychological theory proposing that individuals seek an optimal level of arousal, with too little leading to boredom and too much resulting in stress.

Arousal Theory

The theory that optimal performance and psychological arousal are related in a way that differs as a function of the individual and the task.

Yerkes-Dodson Law

A theory suggesting there is an optimal level of arousal for performance, and that too little or too much arousal can negatively affect performance.

Arousal

A physiological and psychological state of being awake or reactive to stimuli, involving changes in heart rate, brain activity, and energy levels.