C. Fill in each blank to make a true statement. Select the answer from the list Inside the box below. Write the answers in your notebook. parallel 10 6 90° 5 similar 180° congruent octagon hexagon sides 2. 1. Polygons with exactly the same shape and size are called polygons. . Polygons with the same shape but are different in size are called polygons. 3. Ahexagon has angles. A polygon with 8 sides is alan 5. A decagon has vertices.