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Use Vectors to Find the Measure of the Angle at Vertex

Question 29

Multiple Choice

Use vectors to find the measure of the angle at vertex B of triangle ABC, when Use vectors to find the measure of the angle at vertex B of triangle ABC, when , , and .Round answer to two decimal places. A) 69.48° B) 71.57° C) 72.91° D) 70.38° E) 74.09° , Use vectors to find the measure of the angle at vertex B of triangle ABC, when , , and .Round answer to two decimal places. A) 69.48° B) 71.57° C) 72.91° D) 70.38° E) 74.09° , and Use vectors to find the measure of the angle at vertex B of triangle ABC, when , , and .Round answer to two decimal places. A) 69.48° B) 71.57° C) 72.91° D) 70.38° E) 74.09° .Round answer to two decimal places.


A) 69.48°
B) 71.57°
C) 72.91°
D) 70.38°
E) 74.09°

Correct Answer:

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