Perimeter 16663

The sizes of the sides of a triangle are three natural numbers. The two shorter sides have lengths a = 7 cm and b = 9 cm. What size will the third side be if we want the triangle to have the largest possible perimeter?

Correct answer:

c =  15 cm

Step-by-step explanation:

a=7 cm b=9 cm  a+b>c 16>c c  N c=15=15 cm   Verifying Solution:  o=a+b+c=7+9+15=31

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