State whether the polygon is regular. Explain your answer.
A.
The polygon is regular, because the sides are all the same length and the angles are all the same measure.
B.
The polygon is regular, because the sides are not all the same length and the angles are not all the same measure.
C.
The polygon is not regular, because the sides are all the same length and the angles are all the same measure.
D.
The polygon is not regular, because the sides are not all the same length and the angles are not all the same measure.