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Mathematics 18 Online
OpenStudy (anonymous):

http://gyazo.com/163468d4e9e0aea99c499907679bef2c @mathmath333

OpenStudy (freckles):

My computer is going so slow today so it won't allow me to open that. You can type the problem here I can try to help.

OpenStudy (mathmath333):

QUE 10 AND 11 we already did

OpenStudy (anonymous):

What do you mean, the last question were 5 6 7 and 8 only

OpenStudy (mathmath333):

i mean the type of question 10 and 11 is similar to 7 and 8

OpenStudy (anonymous):

I got 1047 for number 10, i dont think thats right.

OpenStudy (mathmath333):

show ur work

OpenStudy (anonymous):

125/30 * 3.14 * 31 * 31

OpenStudy (mathmath333):

m angle EAD = (m arc ED -m arc CB)/2 NOW try

OpenStudy (anonymous):

47 ?

OpenStudy (mathmath333):

\(\Large\tt \begin{align} \color{black}{9.) \\ m ~~angle CAB \\=m ~~arcAC/2\\=142/2\\=71}\end{align}\)

OpenStudy (mathmath333):

yes thats correct

OpenStudy (anonymous):

11) ?

OpenStudy (anonymous):

318 - 42 = 276 / 2 = 138 ?

OpenStudy (mathmath333):

yes that \[\Huge \checkmark\]

OpenStudy (mathmath333):

\(\large\tt \begin{align} \color{black}{m~~arc~~WX\\ =\text{Total arc length of circle}-m~~arc~~WZX\\ =360-262\\ =98\\ m ~~angle ~~WZX=\dfrac{m~~arc~~WX}{2}\\ =98/2\\ =49}\end{align}\)

OpenStudy (anonymous):

So 12 is 49 ?

OpenStudy (anonymous):

Yea i guess it is, thanks!

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