Triangle interior & exterior

What do the interior angles in a triangle have a sum of?

• 180
• 90
• 360
• 270

Tags

CCSS.8.G.A.5

• x = 54
• x = 9
• x = 24
• x = 144

Tags

CCSS.HSG.CO.C.9

Find the measure of angle x.

• 138
• 96
• 93
• 87

Tags

CCSS.8.G.A.5

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

• Yes
• No
• I don't know.

Tags

CCSS.7.G.A.2

Can the sides of a triangle have lengths 3, 4, and 9?

• Yes
• No

Tags

CCSS.7.G.A.2

Name the largest angle in this triangle.

• ∠D
• ∠E
• ∠F

Tags

CCSS.7.G.A.2

CCSS.7.G.B.5

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

Tags

CCSS.8.G.A.5

Find the value of x by using the exterior angle theorem.

• A
• B
• C
• D

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 145
• 113
• 102
• 78

Tags

CCSS.7.G.B.5