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Mathematics 9 Online
OpenStudy (anonymous):

HELP....

OpenStudy (anonymous):

so do I have to add all the sides?

OpenStudy (phi):

do you know about 30-60-90 triangles ? http://www.mathopenref.com/triangle306090.html

OpenStudy (acxbox22):

|dw:1398384154536:dw|

OpenStudy (phi):

you need to first list the sides (you can figure them out, knowing the hypotenuse is 12)

OpenStudy (acxbox22):

use that basic proportion

OpenStudy (acxbox22):

|dw:1398384198821:dw|

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