That number is called the "perimeter" of the triangle.
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An isoceles triangle! It has two lengths the same!
To check whether it is possible to have a triangle with side lengths 4cm, 13cm, and 14cm, we use a special rule.The rule is: If you take any two sides of a triangle and add their lengths, the sum of the lengths must be greater than the third side.Test this triangle. 4+13=17, which is bigger than 14. 14+4=18, which is bigger than 13. 13+14=27, which is greater than 4.The rule works for all side combinations, so it is possible to have a triangle like this.So the answer is: yes, you can have a triangle of side lengths 4cm, 13cm, 14cm. (Note that the lengths do not have to be in centimeters, for example they can be 4m, 13m, and 14m)
No, because you should be able to add up any two side lengths and their sum should be greater than the third side length. 38 + 29 is not greater than 73.
Because the sum of the smaller sides is greater than the largest side and it is possible to construct one right angle triangle with the given lengths
No. It is not possible, because a triangle cannot have a side longer than the sum of two other sides. 5 is greater than 2+2. Therefore the triangle cannot exist.