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Mathematics 14 Online
OpenStudy (anonymous):

Which expression shows the length of side AB? Pic in comments

OpenStudy (anonymous):

OpenStudy (anonymous):

@sayakdbz :3

OpenStudy (anonymous):

use cos ratio

OpenStudy (anonymous):

will be just like the problem we did earlier

OpenStudy (anonymous):

actually you can do this easily remembering the properties of a 306090 triangle

OpenStudy (anonymous):

but i notice the answer key doesnt want you to do it this way.

OpenStudy (anonymous):

Okay so cos 60 = 8/x then get x by itself

OpenStudy (anonymous):

yes.

OpenStudy (anonymous):

So then would it be 8/cos 60

OpenStudy (anonymous):

yep.

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