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Mathematics 16 Online
OpenStudy (anonymous):

Who goes to connections and could help me understand something from geometry?

OpenStudy (fibonaccichick666):

I don't go there, but I could probbly help ya

OpenStudy (anonymous):

Do rules of geometry work differently at connections?

OpenStudy (anonymous):

well no but no one on this site seems to understand

OpenStudy (anonymous):

@FibonacciChick666

OpenStudy (anonymous):

http://www.regentsprep.org/regents/math/geometry/gp15/circleangles.htm Inscribed angle formul

OpenStudy (fibonaccichick666):

so, you need to find the length of chord BD, can you determine the length of arc AB?

OpenStudy (anonymous):

It tells us that:\[ 48^\circ = \frac 12 BC \]

OpenStudy (anonymous):

i thought it was 55 am i correct?

OpenStudy (anonymous):

No, it isn't 55

OpenStudy (fibonaccichick666):

is that for arc AB?

OpenStudy (anonymous):

can you work it out step by step

OpenStudy (fibonaccichick666):

well, first, did you understand the formula given by wio?

OpenStudy (anonymous):

yes

OpenStudy (fibonaccichick666):

so, that little curvy thing means you need to find the arc between B and C

OpenStudy (fibonaccichick666):

the formula(described in full on the site) is just a plug and chug to obtain this

OpenStudy (anonymous):

oh its D @FibonacciChick666

OpenStudy (fibonaccichick666):

and, how did you get that? I like to see work :)

OpenStudy (anonymous):

i multiplied 2 on both sides

OpenStudy (fibonaccichick666):

ok, now tell me why did you do that?

OpenStudy (anonymous):

and it left bc= 48x2

OpenStudy (anonymous):

which is 96

OpenStudy (fibonaccichick666):

ok then yep, I just wanted to make sure you treated BC as a variable

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