Unit 4 Sec 1-3 Classify Triangles, Angles of Tri, Isos/Equi

Name this triangle

• Acute, Scalene
• Obtuse, Scalene
• Right, Isosceles
• Acute, Equilateral

Name this triangle.

• A
• B
• C
• D

Which type of triangle is pictured?

• Equilateral Triangle
• Right Isosceles Triangle
• Obtuse Scalene Triangle
• Obtuse Equilateral Triangle

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

• acute

• obtuse

• right

• acute

• obtuse

• right

• acute

• obtuse

• right

• acute

• obtuse

• right