SOLUTION: Two sides of a triangle are 7 and 8. What is the smallest possible perimeter of the triangle, if the length of the third side is a whole number?
A)18
B)17
C)16
D)15
Algebra.Com
Question 1144079: Two sides of a triangle are 7 and 8. What is the smallest possible perimeter of the triangle, if the length of the third side is a whole number?
A)18
B)17
C)16
D)15
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
B) 17
--------
The sum of any two sides must be (strictly) greater than the length of the third side, so the smallest unknown side is 2, and 7+8+2=17.
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