4.1-4.4 Review

Classify the triangle by angles and sides.

• Right Scalene
• Acute Isosceles
• Obtuse Isosceles
• Equiangular Equilateral

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
• Right Scalene
• Acute Isosceles

Classify the triangle by angles and sides.

• Equiangular Equilateral
• Right Isosceles
• Right Scalene
• Acute Isosceles

Triangles can be classified by what two things?

• Side length

• Number of Vertices

• Angles

• Congruent Sides

• 21 units

• 15 units

• 6 units

• x units

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 45, 45, 90
• 60, 60, 60
• 35, 55, 90

Find the measure of the missing angle.

• 47

• 57

• 53

• 133

What is the measure of the missing angle?

• 82
• 43
• 55
• 180