What is the common endpoint of two Rays called?, arms, Vertex, Line segment, Name the Rays and Vertex for the given angle., Rays: EF ,ED and Vertex: E, Ray: FD , Vertex: D, Rays : F and E , Vertex :F, Why can't we call this angle <XZY if Y is the vertex?, X should come in Middle, Y should be in Middle, Because the first letter must always be the vertex\.

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