Triangle or Not a Triangle

Find the measure of each angle indicated. 

• 33°
• 136°
• 36°
• 31°

Tags

CCSS.8.G.A.5

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

• Yes
• No

Tags

CCSS.7.G.A.2

Does a triangle with these side lengths exist?
20, 10, 9

• Yes
• No

Tags

CCSS.7.G.A.2

Does a triangle with these side lengths exist?
5, 10, 15

• Yes
• No

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

Does a triangle with these side lengths exist?
5, 2, 9

• Yes
• No

Tags

CCSS.7.G.A.2

Does a triangle with these side lengths exist?
4, 6, 7

• Yes
• No

Tags

CCSS.7.G.A.2

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Tags

CCSS.8.G.A.5

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Tags

CCSS.HSG.CO.C.10