Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

Find the value of each variable. Round decimals to the nearest tenth. x=

OpenStudy (anonymous):

hartnn (hartnn):

do you know about cosine ratio ?

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

kinda

hartnn (hartnn):

cos = adjacent / hypotenuse did u know this ? adjacent side in that triangle is ... ? and hypotenuse is ... ?

OpenStudy (anonymous):

yes

hartnn (hartnn):

so, cos 25 = x/9 or x = 9 cos 25 use calculator.

OpenStudy (anonymous):

i got 8.1567700833298496691829739107889

OpenStudy (anonymous):

8.2 ?

hartnn (hartnn):

yes :)

OpenStudy (anonymous):

fantastic, thanks

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!