triangle inequality theorem

Can the following side measures form a triangle?
  3, 5, 8 

• Yes
• No

Tags

CCSS.7.G.A.2

9. Which of these lengths CANNOT represent the sides of a triangle?

• 32, 34, 60
• 28, 30, 58
• 13, 20, 27
• 2, 4, 5

Tags

CCSS.7.G.A.2

Does a triangle with these side lengths exist?
15, 12, 9

• Yes
• No
• I don't know.

Tags

CCSS.7.G.A.2

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

CCSS.7.G.A.2

Select the measurements that match the sides of a triangle.

• 7, 9, 19
• 7, 12, 1
• 7, 7, 7
• 7, 7, 16

Tags

CCSS.7.G.A.2

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

CCSS.HSA.CED.A.3

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

CCSS.HSA.CED.A.3

CCSS.HSA.CED.A.1

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

Tags

CCSS.HSG.SRT.C.8

What is the length of y in this 45-45-90 triangle?

• 8√2
• 4√2
• 4
• 8

Tags

CCSS.8.G.B.8

What is the value of x?

• 2
• 18
• 2√9
• 9√2

Tags

CCSS.8.G.B.7