What is a Pentagon?

Nico and Nia are at the arcade and just found their favorite game (...) the claw machine! However, this is a special kind of claw machine (...) it only releases prizes that are shaped like a pentagon. Let's help Nico and Nia identify pentagons in the claw machine by answering the question... "What is a Pentagon?" A pentagon is a special type of shape. Shapes are figures that we can name based on their defining attributes, or traits that make them unique. A POLYGON, is a two-dimensional shape that is made of straight lines and is fully closed. A PENTAGON, is a five-sided polygon. In order for a shape to be identified as a pentagon, it must have ALL of the defining attributes: five straight sides (...) five corners (...) and be fully closed. THIS shape is a pentagon because it has five straight sides (...) five corners (...) and is fully closed. Now that we know the attributes of a pentagon, let's help Nico and Nia identify pentagon prizes in the claw machine! The first prize they've picked is a bubble fidget toy (...) is it a pentagon? Let's check (...) how many sides does it have? (...) It has FOUR straight sides. How many corners? (...) There are FOUR corners. Is it fully closed? (...) Yes, it is a fully closed shape. Even though this shape has one of the defining attributes, it is NOT a pentagon. Remember, in order to be a pentagon, it must have ALL the defining attributes. Next, we see a headband (...) is it a pentagon? (...) It has FIVE sides, (...) and they are all straight. How many corners are there? (...) There are FOUR corners. Is it fully closed? (...) It is NOT a closed shape. The headband does not have ALL the defining attributes, so it is NOT a pentagon. Last, we see a gemstone sticker (...) what a treasure! Is this shape a pentagon? (...) It has five sides, (...) five corners, (...) and is fully closed! It has ALL the defining attributes! This shape IS a pentagon, so Nico and Nia get to keep this prize! Before we see if Nico and Nia will get more prizes, let's summarize. Remember (...), a pentagon is a polygon with five sides. In order for a shape to be identified as a pentagon, it must have ALL of the defining attributes: five straight sides (...) five corners (...) and be fully closed. Oh, the claw machine picked up a soccer ball! Uh oh, I think the claw might be too sharp to hold that... look out Nico and Nia! Phew! I'm glad they are okay! "Yes! Now we get to keep all the toys!" "You're such a gem, Nia."