I need with this geometry question ASAP please!

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10-07-2018
Mathematics

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I need with this geometry question ASAP please!

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leeyah188 leeyah188 · Answer 1 · 2018-07-10T19:56:14+02:00

You must apply this:
SOH CAH TOA

S means sine. O means opposite. H means hypotenuse. C means cos. And T means tan.

Applying this now you would write: cos 55°=80
—-
x

Now solve for x:

cos 55°(x)= 80
————— ——-
cos 55° cos 55°

Now type 80/cos 55° in your calculator and you should get 139.4757 which would round to 139.5

nethp1020pbgwea nethp1020pbgwea · Answer 2 · 2018-07-10T19:58:01+02:00

nethp1020pbgwea nethp1020pbgwea

10-07-2018

Cos55 = 80 / x. Use your calculator to get x = 139.48

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