Triangle Review

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

Tags

CCSS.8.G.A.5

The Triangle Inequality Theorem states the sum of the lengths of any two sides of a triangle is ________________ the length of the third side.

• greater than
• less than 
• equal to
• None of the these

Find the measure of each angle indicated. 

• 33°
• 136°
• 36°
• 31°

Tags

CCSS.8.G.A.5

Find the measure of each angle indicated. 

• 140°
• 21°
• 105°
• 25°

Tags

CCSS.8.G.A.5

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Tags

CCSS.HSG.CO.C.10

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Tags

CCSS.HSG.CO.C.10

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

• Yes
• No
• I don't know.

Tags

CCSS.7.G.A.2

Can a triangle with these side lengths exist?
33, 16, 17

• Yes
• No
• I don't know.

Tags

CCSS.7.G.A.2

Can a triangle with these side lengths exist?
28, 41, 13

• Yes
• No
• I don't know.

Tags

CCSS.7.G.A.2

Solve for x.

• 5
• 12
• -7
• -6

Tags

CCSS.HSG.CO.C.11