Properties of Triangles

In a triangle, how many total degrees are there? (a)  

• 100%
• 180 degrees
• it varies
• 360 degrees

Find the measure of the missing angle. (a)  

• 90o
• 100
• 130o
• 50o

Solve for x.

Mathematical Equivalence

ON

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

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

Find the measure of the indicated angle. 

• 34
• 46
• 62
• 36

Tags

CCSS.8.G.A.5

• A
• B
• C
• D

Tags

CCSS.4.G.A.2

• A
• B
• C
• D

Tags

CCSS.4.G.A.2

A triangle in which all sides are of equal length is called....

• Equilateral triangle

• Isosceles Triangle

• Obtuse angled Triangle

• Right angled Triangle