Triangle Inequality Theorem

1) If the longest side of the triangle was 10. Then the two shorter sides must have a sum that is ....?

• any length

• equal to 10

• greater than 10

• less than 10

Tags

TEKS.MATH.6.8A

2) Does a triangle with these side lengths exist?

15, 12, 9

• Yes

• No

• I don't know.

Tags

TEKS.MATH.6.8A

3) Can the following side measures form a triangle?

3, 5, 8

• Yes

• No

Tags

TEKS.MATH.6.8A

4) Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60

• 28, 30, 58

• 13, 20, 27

• 2, 4, 5

Tags

TEKS.MATH.6.8A

5) Will these three sides form a triangle?

• yes

• no

Tags

TEKS.MATH.6.8A

6) Will these side lengths form a triangle?

• yes

• no

Tags

TEKS.MATH.6.8A

7) Select the measurements that match the sides of a triangle.

• 7, 9, 19

• 7, 12, 1

• 7, 7, 7

• 7, 7, 16

Tags

TEKS.MATH.6.8A

8) Which of the following does not represent the lengths of the sides of a triangle?

• 2 cm, 6 cm, 7 cm

• 5 cm, 2 cm, 5 cm

• 5 cm, 5 cm, 8 cm

• 3 cm, 10 cm, 15 cm

Tags

TEKS.MATH.6.8A

9) Given are the lengths of two sides of a triangle. Find the range of lengths for the third side. 7 ft, 13 ft

• more than 6 but less than 20

• more than 20 but less than 6

• less than 6 but more than 20

Tags

TEKS.MATH.6.8A

10) Given are the lengths of two sides of a triangle. Find the range of lengths for the third side. 7 mm, 4 mm

• more than 3 but less than 11

• more than 11 but less than 3

• less than 3 but more than 11

Tags

TEKS.MATH.6.8A