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Mathematics 15 Online
OpenStudy (anonymous):

Find x A.3 B. Square root of 3 c.9 d.square root of 6

OpenStudy (anonymous):

OpenStudy (saifoo.khan):

Use cos ratio.

OpenStudy (anonymous):

\(\cos 30^\circ =\dfrac{\sqrt 3}{2} =\dfrac{\text{opposite}}{\text{hypotenuse}}\)

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