Triangle or not?!

Can these three numbers make the sides of a triangle?

7, 5, 4

• yes

• no

Can these three numbers make the sides of a triangle?

3, 6, 2

• Yes

• No

Can these three numbers make the sides of a triangle?

5, 2, 4

• Yes

• No

Can these three numbers make the sides of a triangle?

8, 2, 8

• Yes

• No

Can these three numbers make the sides of a triangle?

1, 7, 4

• Yes

• No

Which of the following side lengths could be the third side of a triangle with sides:

6 cm and 3 cm

• 1 cm

• 2 cm

• 3 cm

• 4 cm

Which of the following side lengths could be the third side of a triangle with sides:

14 cm and 6 cm

• 5 cm

• 20 cm

• 8 cm

• 1 cm

Which of the following side lengths could be the third side of a triangle with sides:

4 cm and 6 cm

• 2 cm

• 1 cm

• 6 cm

• 0 cm

Which of the following side lengths could be the third side of a triangle with sides:

19 cm and 14 cm

• 5 cm

• 2 cm

• 3 cm

• 6 cm

Which of the following side lengths could be the third side of a triangle with sides:

12 cm and 2 cm

• 16 cm

• 10 cm

• 8 cm

• 6 cm