Which set of sides will make a triangle?
6 cm, 15 cm, 6 cm
13 cm, 7 cm, 6 cm
10 cm, 9 cm, 9 cm
4 cm, 8 cm, 14 cm


9 cm

Step-by-step explanation:

3 cm 3 cm 3cm so theres 3 for each side

1St set of sides will make a triangle because to construct a triangle sum of two side must be more than the 3rd one

13cm, 7cm, 6cm

Step-by-step explanation:

To make a triangle you have to think about it in this way. The two smallest numbers should equal the largest number.

13 cm, 7 cm, 6 cm

Step-by-step explanation:

The sum of the 2 shorter sides of the triangle has to be equal or longer than the longest side. In this case 7+6=13 which is equal.

10cm, 9cm, 9cm

Step-by-step explanation:

1cm, 3cm, 1cm
2 sides must equal the same
10 cm, 5 cm, 9 cm

In order to make a triangle, the sum of the two shorter side lengths must be greater than the length of the longest side.

5, 2, 3    ⇒    5 = 5    ⇒    not a triangle
1, 3, 1      ⇒    2 < 3    ⇒    not a triangle
10, 3, 4   ⇒    7 < 10   ⇒    not a triangle
10 cm 9 cm 9 cm will make a triangle and you will have your answer


Hope it helps:)

13cm , 7cm , 6cm10cm , 9cm , 9cm

Step-by-step explanation:

For a triangle to be formed, the sum of any two sides must be greater than or equal to the third side.

13cm , 7cm , 6cm forms a degenerate triangle. (The sum of sides 7cm and 6cm is equal to the third side 13 cm)10cm , 9cm , 9cm form a triangle. (The sum of any two sides is greater than the third side)

Do you know the answer?

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