Answer:
Circumcenter
Explanation:
The circumcenter is the center of a circle circumscribed about the triangle.
 
        
             
        
        
        
Answer:
a clause that can form a complete sentence standing alone, having a subject and a predicate
 
        
             
        
        
        
Answer:
Last week, every teacher attended the weekly staff meeting. 
                                OR
Every teacher attended the weekly staff meeting, last week.