Ask your own question, for FREE!
Mathematics 17 Online
OpenStudy (anonymous):

he figure below shows a bamboo structure. What is the length of NB? Show all the steps you used to find your answer.

OpenStudy (anonymous):

OpenStudy (mathmagician):

1. BN=sqrt(81-25)=sqrt(56) 2. sin(ABN)=5/9 =>angle ABN=asin(5/9)=33.75 degrees 3. Angle NBC=90-33.75=56025 degrees 4. tan(NBC)=NC/NB=>NC=tan(56.25)*sqrt(56)=11.2 feets

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!