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 Interactive Checkpoint
 Vertex of an Angle:  The common endpoint of the two rays that serve as the sides of an angle.

Answer the following questions about the vertex of an angle.

Enter each answer below and press tab to check

 

Graded Response

 

a) What letter represents the vertex of the angle shown to the right? a)
b) If an angle is named with three letters, which letter represents the vertex? b)