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Mathematics 20 Online
OpenStudy (anonymous):

Find the value of x in this triangle

OpenStudy (anonymous):

OpenStudy (anonymous):

In the diagram, what is sin 30°?

hartnn (hartnn):

side opposite to 30 is half the hypo,so 12.5

OpenStudy (anonymous):

@hartnn , thats all??

OpenStudy (anonymous):

Here's the full working sin 30° = opp/hyp = x/25 sin 30° = 1/2 1/2 = x/25 25/2 = x

hartnn (hartnn):

yes,u know that property,that in a 30-60-90 triangle,side opposite to 30 is half the hypotenuse and side opposite to 60 is (root3)/2 times hypo??

OpenStudy (anonymous):

Do u knw trigonometry??? @jorgesnz

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