A polygon which has all its sides of equal length and all its angles of equal measures is called a ______.
A. circle
B. regular polygon
C. irregular polygon
D. sides

What do you call the polygon with seven sides?
A. Hexagon
B. Heptagon
C. Octagon
D. Nonagon

How many sides does a nonagon have?
A. 7
B. 8
C. 9
D. 10

Which of the following is incorrect about congruent polygons?
A. Congruent polygons have equal size and shape
B. All sides and angles of congruent polygons are equal
C. Congruent polygons remain identical even if the shape is rotated or flipped.
D. Congruent polygons can sometimes differ from the number of sides.
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