Use Vectors to Find the Measure of the Angle at Vertex

question 49

Multiple Choice

Use vectors to find the measure of the angle at vertex B of triangle ABC, when , , and .Round answer to two decimal places.

• A)95.94°
• B)98.47°
• C)97.13°
• D)95.04°
• E)99.65°

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Definitions:

Vulnerable

describes a state of being open to harm, attack, or criticism, often due to a lack of protection or strength.

Active Verbal

The use of words and vocal sounds to engage actively and constructively in communication.

Justification

The process of providing reasons or arguments to support or defend a particular action, decision, or belief.

Excuse

is a justification provided to mitigate responsibility or blame for a perceived wrongdoing or failure, aiming to maintain one's social image or alleviate guilt.