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yeh!!!

any tips?

I don't know:( I am sorry, I will try to get someone who will know here tho!:D

ty

so did you get someone?

ty

Are you sure it's the measure of angle BCD you want? you just gave its measure...

yes, we need the measure of angle BCD...

I mean arc!!!!!!!!!!!!!!!!

sorry

no

I mean angle

sorry

|dw:1340465784240:dw| Like this? IS the image correct? And we have to get the angle now, the angle C

Yes, angle BCD

70

can you tell me how?

why is at 70?

its correct but why?

Because 360-220=140, and the central angle is double the angle in the circumfrence, so its 70

ty

I thought the same exact thing

|dw:1340466383693:dw|

I wasn't sure if it was correct, though.

ty

np

let me post another problem...