6.5 Triangle Inequality Theorem

Which set of numbers represents the side lengths of a triangle?

• {5,18,13}
• {6,17,22}
• {16,24,7}
• {26,8,15}

Tags

CCSS.7.G.A.2

Which side lengths would NOT form a triangle?

• {3,4,5}
• {2,5,9}
• {5,10,12}
• {7,9,11}

Tags

CCSS.7.G.A.2

If the given side lengths of a triangle are 16 and 10 which can NOT be the third side?

• 25

• 22

• 27

• 21

How many degrees make up a triangle?

• 45
• 90
• 60
• 180

Tags

CCSS.8.G.A.5

Equilateral triangles have sides that are all equal?

• False
• True

Tags

CCSS.4.G.A.2

Which of the following side lengths form a triangle?

• 1, 2, 3

• 5, 7, 8

• 6, 6, 14

• 80, 20, 50

Tags

CCSS.7.G.A.2

What is the range of possible third side measures using 10 and 15?

• 9 < x < 16

• 10 < x < 15

• 1 < x < 5

• 5 < x < 25

Measurements of 4 cm, 7 cm, and ​ (a)   form a triangle

• 6 cm
• 11 cm
• 3 cm
• 2 cm
• 12 cm

Tags

CCSS.7.G.A.2

Measurements of 10 in, 18 in, and ​ (a)   form a triangle.

• 9 in
• 7 in
• 28 in
• 30 in
• 5 in

Tags

CCSS.7.G.A.2

The _________________ states that the sum of any two sides of a triangle must be greater than the third side.

• Equality Theorem

• Theorem of Triangles

• Angle Sum Theorem

• Inequality Theorem