1.     Here are two angles and information about each. How many degrees is the open-ness of each angle?

 

Potentially useful information:      ? ? 3.14           C = 2?r            A = ?r2

 

m(DCE) = ___________ ?

 

 

 

m(JRY) = ___________ ?

 
 


2.     What is the length (in cm) of ?

 

 = _____________ cm