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Mathematics 15 Online
OpenStudy (anonymous):

14. Find the value of x. Round to the nearest tenth. The diagram is not drawn to scale.

OpenStudy (anonymous):

OpenStudy (anonymous):

@Pandalover485 will you help me?

OpenStudy (anonymous):

u so ur fnding the value right?

OpenStudy (anonymous):

the value of x yes

OpenStudy (anonymous):

If you wish to find an angle, certain values must already be known and you can use trigonometry to find X. If you are asked to find the length of a side, Pythagoras can be used if the triangle contains a right angle. Remember, the angles inside a triangle always add up to 180 no matter what, so if you have two angles and simply wish to find the third, all you need to do is find the remaining difference.

OpenStudy (anonymous):

@himan700 Im still confused can you help me?

OpenStudy (anonymous):

i just did the math, but i do not think that it is right, but i got 10.197

OpenStudy (anonymous):

it should then be, after rounding, 10.2

OpenStudy (anonymous):

good job but explain how u got it to her

OpenStudy (anonymous):

i used cosine, and to find the cosine, it is you take \[\cos 22\] and then take what you got which should be 0.927183855, then take that number and multiply it by the hypotenuse in this equation and you should come to 10.197, then round to 10.2

OpenStudy (anonymous):

if you have any more problems with this, ask your teacher to further explain trigonometry to you, i was given a brief rundown of it earlier this semester

OpenStudy (anonymous):

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