Circle Geometry Question (1 Viewer)

[Leffife]

http://oi49.tinypic.com/cuijn.jpg

Not sure what theory to use for this one. Thank you.

Find the value of each pronumeral, just not sure how to find 'c'.

 

[qwerty44]

are they supposed to be tangents the circle?

 

[Drongoski]

Question not defined.

 

[Deliriously]

they must be tangents, cant think of another way

 

[Timske]

if they are tangents and CB and CD are radii then angle B and angle D is 90degrees

 

[Sanjeet]

Can OP clarify