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Mathematics 14 Online
OpenStudy (anonymous):

Find the value of x. If your answer is not an integer, leave it in simplest radical form. The diagram is not drawn to scale.

OpenStudy (anonymous):

here is the picture

OpenStudy (anonymous):

law of sines

OpenStudy (anonymous):

dont i have to use pythagoras theorem somehow?

OpenStudy (anonymous):

what is this law of sines

OpenStudy (anonymous):

you could do that too

OpenStudy (mertsj):

Do you know your special right triangles? This one is the 30-60-90

OpenStudy (mertsj):

In this special triangle, the short leg times 2 = hypotenuse and short leg times sqrt3 = long leg.

OpenStudy (anonymous):

i dont know what that is, maybe its because idk what it is in english but heres my try (i think its pythagoras theorem) \[\sqrt(10^2-5^2)=\sqrt(100-25)=\sqrt(75)=\sqrt(25)\sqrt(3)=5\sqrt(3)\]

OpenStudy (anonymous):

is this right?

OpenStudy (mertsj):

Yes. Good for you. See...if you take the short side and multiply it by the square root of 3, you get the answer.

OpenStudy (anonymous):

math is so confusing especially since my english is somewhat meh

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