Each of these side lengths can create at least one polygon. Sort the descriptions into the correct category.

Would allow you to make many different polygons Would make one unique polygon
Side lengths of 3, 5, 6, and 9
Side lengths of 3, 5, 6
Side lengths of 5, 7, 8, and 11
Side lengths of 6.3, 14.8, 13.4
Side lengths of 8, 10, 11, and 14
Side lengths of
8
1

,
7
2

,
5
3

, and
7
4

1 answer

To categorize the side lengths into "Would allow you to make many different polygons" and "Would make one unique polygon," we need to consider the conditions governing the formation of polygons.

  1. Many different polygons: A set of side lengths can create many different polygons if the side lengths meet the triangle inequality for any combination of three sides and do not result in a degenerate polygon. This means that the sum of the lengths of any two sides must be greater than the length of the remaining side.

  2. One unique polygon: This typically occurs when the side lengths are the same or meet specific criteria that restrict their variations to a single shape (例えば, in the case of a triangle where all its sides and angles must be equal).

Now let's sort the side lengths based on these criteria:

Would allow you to make many different polygons:

  • Side lengths of 3, 5, 6, and 9: Several combinations and variations are possible.
  • Side lengths of 5, 7, 8, and 11: Several combinations since no two sides are equal, and they satisfy the triangle inequality.
  • Side lengths of 6.3, 14.8, 13.4: These can also create varying triangles, given none are equal and they satisfy the triangle inequality.
  • Side lengths of 8, 10, 11, and 14: Again, varying combinations can be formed here.
  • Side lengths of 8, 7, 5, and 7: This set can also create multiple different shapes.

Would make one unique polygon:

  • Side lengths of 3, 5, 6: These lengths can potentially form one unique triangle since they meet the triangle inequality, creating one specific triangle shape.

Based on the above analysis, here's the sorted categorization:

Would allow you to make many different polygons:

  • Side lengths of 3, 5, 6, and 9
  • Side lengths of 5, 7, 8, and 11
  • Side lengths of 6.3, 14.8, 13.4
  • Side lengths of 8, 10, 11, and 14
  • Side lengths of 8, 7, 5, and 7

Would make one unique polygon:

  • Side lengths of 3, 5, 6