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Mathematics 9 Online
OpenStudy (anonymous):

In triangle VBN.

OpenStudy (anonymous):

|dw:1431308194920:dw|

OpenStudy (wolf1728):

VN = 2*BN tan angle B = 2/1 angle B = arc tan(2) angle B = 63.435 BN = shortest side cos (63.435) = BN / 4*sq rt(5) BN = 4*sq rt(5) * cos (63.435) BN = 4*sq rt(5) * 0.44721 BN = 3.9999678409

OpenStudy (wolf1728):

Basically BN is about 4 and VN is about 8

OpenStudy (anonymous):

thanks so much!!

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