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Mathematics 13 Online
OpenStudy (anonymous):

What is the length of the wood that is needed to replace AD? (Pic below)

OpenStudy (anonymous):

@Abmon98

OpenStudy (chris911):

B.) 5.1 inches

OpenStudy (abmon98):

<BDC=60

OpenStudy (abmon98):

D is obtuse so 180-60=120 degrees

OpenStudy (anonymous):

So it is 5.1...?

OpenStudy (anonymous):

@Abmon98

OpenStudy (chris911):

yes d 5.1 inches

OpenStudy (abmon98):

x/sin90=12/sin60 DC=8*(3)^1/2 Angle of A=180-(120+15) 45 8*(3)^1/2/sin45=AD/sin15

OpenStudy (abmon98):

AD=5.1

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