anonymous one year ago O is the center of the circle. Assume that lines that appear to be tangent are tangent. What is the value of x?

1. anonymous

2. anonymous

|dw:1434123709505:dw|

3. anonymous

do you know what the measure of the minor arc is?

4. anonymous

No, it show as x.

5. anonymous

|dw:1434123968557:dw|

6. anonymous

so what's the minor arc?

7. anonymous

124

8. anonymous

ok. and the whole circle is 360. So major arc = 360 - minor arc What's the major?

9. anonymous

236

10. anonymous

yes.$x=\frac{ major - minor }{ 2 }$

11. anonymous

174

12. anonymous

no. subtract first. then divide

13. anonymous

Ha, sorry I got excited and wrote the whole thing. It's 56!!

14. anonymous

yes

15. anonymous

Thank you :)

16. anonymous

you're welcome