hi i am new to this

- anonymous

hi i am new to this

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- schrodinger

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- anonymous

lol hi

- anonymous

okay well welcome! do you have any math problems you want help with?

- anonymous

i need some help with geometry

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## More answers

- anonymous

Welcome to Openstudy!

- anonymous

The picture below shows a right-triangle-shaped charging stand for a gaming system:
The side face of a charging stand is a right triangle labeled ABC. The measure of angle ACB is 90 degrees and the measure of angle ABC is 60 degrees. The length, BC, of the side adjacent to the angle ABC is 8 inches.
Which expression shows the length of side AB?
8 cosec 60°
8 by sin 60 degrees
8 by cos 60 degrees
8 tan 60°

##### 1 Attachment

- anonymous

ask away

- anonymous

if u need help....just post the questions and people will start to help u..........

- anonymous

any ideas on what this answer would be? i think the last one, but just a guess

- anonymous

anyone?

- anonymous

one second let me work it out

- anonymous

okay so which trig function do you think you will need to use?

- anonymous

im not sure

- anonymous

help

- anonymous

@heretohelpalways

- anonymous

@plzzhelpme

- anonymous

i just need the answer

- anonymous

okay well i wont give you the answer but ill help you out, you need to use the trig function that contains all of the values that you are given and has only one variable (the one ou need to find AB)

- anonymous

e.g. sin(angle) = opp/hyp
cos(angle) = adj/hyp
tan(angle) = opp/adj

- anonymous

so what numbers would i use in this problem?

- anonymous

@Jdosio

- anonymous

the 8
the angle 60
and your variable Ab

- anonymous

so which trig function uses the angle (hint all of them us an angle)adjacent and the hypotenuse

- anonymous

the second choice i think

- anonymous

yes cos perfect so now plug in all the values you know into the cos function

- anonymous

8/x

- anonymous

maybe

- anonymous

`yep
cos(60) = 8/x

- anonymous

Which expression shows the length of side AB?
8 cosec 60°
8 by sin 60 degrees
8 by cos 60 degrees
8 tan 60°
so out of these it would be C?

- anonymous

is that how the answer choices are given to you ? in words?

- anonymous

yes

- anonymous

okay well anyway solve for x in the equation you found and that should match one of the answers

- anonymous

thanks!

- anonymous

no probelm hope that helped:)

- anonymous

it did, thanks!

- anonymous

A. 8 cosec 60°
B. 8 by sin 60 degrees
C. 8 by cos 60 degrees
D. 8 tan 60°
C WAS CORRECT

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