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What is the measure of angle B in the figure below?
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What is the measure of angle B in the figure below?

What is the measure of angle B in the figure below?-example-1
User Jamida
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2 Answers

4 votes

Answer:

The Answer is B

Step-by-step explanation: Thank me later ;)

User Darrachequesne
by
6.6k points
4 votes
cos B = adjacent / hypotenuse

cos B = AB / BC

cos B = 3 / [ 3 * sqrt(2) ]

cos B = 1/sqrt(2)

cos B = sqrt(2)/2

B = arccos[ sqrt(2)/2 ]

B = 45° <----- this is the answer.


I hope this helps. =)
User Janis T
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