If a triangle has lengths of 3 ft and 54 ft, check all the possible lengths for the third side 51 ft 53 ft 55 ft 57 ft 58 ft

MrBillDoesMath!

 51,53,55,57

Discussion. By the triangle inequality the sum of the lengths of any two sides is greater than or equal to the third side. In our case,   3 + 54 = 57, so  the third side must be less than or equal to 57.

MrB

step-by-step explanation:

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