Big Ideas Geometry

Identify each triangle based on angles.

• Right

• Obtuse

• Acute

Identify the triangle based on its angles.

• Right

• Obtuse

• Acute

Identify the triangle based on its angles.

• Right

• Obtuse

• Acute

Identify the triangle based on its angles.

• Right

• Obtuse

• Acute

Identify the triangle based on its angles.

• Right

• Obtuse

• Acute

Classify the triangle by angles and sides.

• Right Scalene
• Right Isosceles
• Acute Isosceles
• Right Obtuse

Classify the triangle by angles and sides.

• Obtuse Scalene
• Obtuse Isosceles
• Acute Isosceles
• Equiangular Scalene

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

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

• A
• B
• C
• D