Geometry: 4.1 Classifying Triangles

Look at the sides of this triangle. What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Tags

CCSS.4.G.A.2

Look at the sides of this triangle. What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

Look at the sides and angles of this triangle. Which type of triangle is pictured?

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

Tags

CCSS.4.G.A.2

Look at the sides and angles of this triangle. Which type of triangle is pictured?

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

If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?

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

If a triangle has one angle greater than 90° and no equal sides, what type of triangle is it?

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

If a triangle has one angle exactly 90° and two equal sides, what type of triangle is it?

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

If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?

• Acute Isosceles
• Equilateral
• Obtuse Scalene
• Obtuse Isosceles

If a triangle has no equal sides, what type of triangle is it?

• Scalene
• Equilateral
• Right 
• Obtuse

Classify the following triangle.

• Acute isosceles triangle

• Right isosceles triangle

• obtuse scalene triangle

• obtuse isosceles triangle

Tags

CCSS.4.G.A.2