In any triangle with sides: a, b and c each side measure must be between the difference and sum of the other two. For example: side a must be between b-c and b+c or b-c<a<b+c.
In your case third side must be between 18-13=6 and 18+13=31.
Alia M.
asked • 11/27/20If the measures of two sides of a triangle are given find the range of possible measures of the third side (x)
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Raymond B. answered • 11/27/20
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Let T = the length of the third side
18-13<T<18+13
5 yards < third side < 31 yards
the range is from the difference of the 2 sides to the sum of the 2 sides
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