1.11 - Mr. Littles is building a triangular sandbox using three boards. He already has 2 boards that measure 9 feet and 12 feet. Select all of the values that could represent the length of the third board of his triangular sandbox.

2 answers

c^2 = 9^2 + 12^2.
C = 15 Ft. (Rt. triangle).

Possible values: 9, 12, 15Ft.

The 9 and 12 Feet lengths form Isosceles triangles.
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