Angle Sum Theorem, Exterior Angle Theorem, Classifying Triangles

What is the sum of the interior angles of a triangle?

(a)  

Tags

CCSS.8.G.A.5

What is the missing angle?

• 120 degrees

• 90 degrees

• 65 degrees

• 40 degrees

Tags

CCSS.8.G.A.5

Find x.

• 75 degrees

• 45 degrees

• 63 degrees

• 85 degrees

Tags

CCSS.8.G.A.5

Which two angles are the interior angles to exterior Angle W?

• Angle X and Angle Y

• Angle X and Angle Z

• Angle Y and Angle Z

• Angle Z and Angle W

Tags

CCSS.8.G.A.5

Find the indicated angle. (What is ?)

• 91°

• 81°

• 89°

• 109°

Tags

CCSS.8.G.A.5

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

Tags

CCSS.8.G.A.5

A triangle with 3 congruent sides is called a(n) ______

• Isosceles Triangle

• Equilateral Triangle

• Obtuse Triangle

• Irregular Triangle

Tags

CCSS.4.G.A.2

A scalene triangle has _____

• 3 different angle names

• no congruent sides

• all sides congruent

• 3 congruent angles

Tags

CCSS.4.G.A.2

Classify each triangle by its angles and sides.

• Acute, Isosceles

• Obtuse, Isosceles

• Right, Scalene

• Equiangular, Equilateral,

• Acute, Scalene

Tags

CCSS.4.G.A.2

Classify each triangle by its angles and sides.

• Acute, Isosceles

• Obtuse, Isosceles

• Right, Scalene

• Equiangular, Equilateral,

• Acute, Scalene

Tags

CCSS.4.G.A.2