Question

What is the definition of an angle?
A.
a part of a line starting at a particular point and extending infinitely in one direction

B.
the set of all points that are a fixed distance from a given point

C.
all points between and including two given points

D.
two rays sharing a common endpoint

Answer 1

D. two rays sharing a common endpoint — an angle is formed by two rays with the same endpoint (the vertex).