Classifying Triangles

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

Tags

CCSS.4.G.A.2

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

Tags

CCSS.4.G.A.2

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

Tags

CCSS.4.G.A.2

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

Tags

CCSS.4.G.A.2

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

• Scalene
• Equilateral
• Right 
• Obtuse

Tags

CCSS.4.G.A.2

If a triangle has two equal sides, what type of triangle is it?

• Isosceles

• Acute

• Obtuse

• Scalene

Tags

CCSS.4.G.A.2

Classify the triangle by angles and sides.

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

Tags

CCSS.4.G.A.2

Classify the triangle by angles and sides.

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

Tags

CCSS.4.G.A.2

Classify the triangle by angles and sides.

• Equiangular Scalene
• Acute Scalene
• Acute Equilateral
• None of the above

Tags

CCSS.4.G.A.2

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

• Isosceles Triangle

• Equilateral Triangle

• Obtuse Triangle

• Irregular Triangle

Tags

CCSS.4.G.A.2