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Mathematics 10 Online
OpenStudy (anonymous):

I really need help ): Fan, medal and testimony

OpenStudy (anonymous):

what do you need help with

OpenStudy (anonymous):

OpenStudy (funnyguy2):

can't help you on a test

OpenStudy (anonymous):

not a test bro -.-

OpenStudy (mathstudent55):

Use triangle BCD, a 30-60-90 triangle, to find the length of BD. Then use triangle ABC, a 45-45-90 triangle to find the length of AB. Then AD = AD - BD

OpenStudy (anonymous):

@funnyguy2 why is it called "help" if you aren't going to guide me? guiding isn't giving the answer but letting me think. imnot sure if its B or D

OpenStudy (cp9454):

its A

OpenStudy (ribhu):

10- 10/ sqrt 3 = 4.2 inches

OpenStudy (funnyguy2):

no direct answers @cp9454

OpenStudy (ribhu):

two triangles, two trigonometric ratios and calculate

OpenStudy (cp9454):

use , in triangle abc tan(30+15) = AB/BC tan(45) = AB/10 => AB = 10 inch

OpenStudy (anonymous):

how's it A?? and @funnyguy2 you're not even interested in helping me so go

OpenStudy (ribhu):

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