63.7k views
1 vote
Which set of numbers could be the side lengths that will form a triangle?

Which set of numbers could be the side lengths that will form a triangle?-example-1
User Dilshad
by
7.0k points

2 Answers

3 votes

All u have to do is use the Traingle Inequality theorem, which states that the sum of two sides lenghts of a triangle is always greater than the third side. if this is true for all three combinations of added side lengths then you will have a triangle

Hope this helps :>

User Kgreenek
by
7.1k points
3 votes

Answer:

3, 5, 7

Explanation:

given 3 sides, for a triangle to be formed, then the sum of any 2 sides must be greater than the third side.

4 , 4 , 8

4 + 4 = 8 , not greater than 8, so does not form a triangle

1 , 2 , 3

1 + 2 = 3 , not greater than 3, so does not form a triangle

3 , 9 , 14

3 + 9 = 12 < 14 , so does not form a triangle

3 , 5 , 7

3 + 5 = 8 > 7

3 + 7 = 10 > 5

5 + 7 = 12 > 3

condition is satisfied , so will form a triangle

User Shady Aziza
by
7.7k points