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Mathematics 15 Online

OpenStudy (anonymous):

Find X http://roads.advancedacademics.com/contentserver/content/roadssection/279450/questions/assessments/t-righttrianglespythagoreantheoremquiz/geometry_4.3_quiz_10q.gif

13 years ago

OpenStudy (anonymous):

use trig... sin30=1/2

13 years ago

OpenStudy (jdoe0001):

or use the 30-60-90 rule http://upload.wikimedia.org/wikipedia/commons/4/45/30-60-90_triangle.jpg

13 years ago

jhonyy9 (jhonyy9):

@Jhannybean ! this is right sure ??? so sin 30 = 9/x x*sin 30 =9 x = ?

13 years ago

OpenStudy (jhannybean):

oh i wrote it backwards.... -_-

13 years ago

jhonyy9 (jhonyy9):

please you correct it !

13 years ago

OpenStudy (jhannybean):

x = 9/sin(30) = 9/(1/2) =9 * 2

13 years ago

jhonyy9 (jhonyy9):

yes now is right ty

13 years ago

OpenStudy (jhannybean):

Np.

13 years ago

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