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|dw:1377144471353:dw|

\[14=.5(112-X)\]
Is that how i would do it?

Or \[14=.5(x-112)\]

The first one.

Okay...So 84?

|dw:1377145019880:dw|

Yes

is 84 X? i feel like im missing something..

Yes, x = 84. Now you still need y.

i wouldnt use the same theorem right?

No. This a different case. You need a different theorem for this one.

y is the measure of an angle. It is not a length. Perimeter or circumference is a length.

Okay...So then I'm clueless.

Right!

|dw:1377145667642:dw|

But we need to find the arc...right?

What is the degree measure of arc CD?

What is the degree measure of an entire circle as an arc?

360

Right.
Which parts of the circle below do you know the measures of?
|dw:1377145802550:dw|

SO 360-112-84

164?

|dw:1377145885955:dw|

So 164, right?

Correct.
Now you need half of that for y.

82!

Bingo!

Thank you!

You deserve a medal.

wlcm

I just need someone to guide me threw the first couple of times then i start getting it lol

That's the whole idea of studying and having a teacher or a tutor.

No, sorry, probability is not my thing.

Alright, thanks for your help!

wlcm

Thanks to you and @Directrix I understand geometry!