Verified Answer :

lukyo

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. =)

Answer:

The Answer is B

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

Related Questions