Classifying Triangles

Classify the triangle by angles and sides.

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

Tags

CCSS.4.G.A.2

.
.
.
.
What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral

Tags

CCSS.4.G.A.2

A triangle has angle measurements of 26°, 59°, and 95°. What kind of triangle is it?

• acute triangle
• right triangle
• obtuse triangle
• none of the above

Tags

CCSS.4.G.A.2

A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it?

• acute triangle
• right triangle
• obtuse triangle
• none of the above

Tags

CCSS.4.G.A.2

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

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

What kind of triangle is this? Name it for its angles.

• acute

• obtuse

• right

Tags

CCSS.4.G.A.2

• Equilateral
• Isosceles
• Scalene
• Right

Tags

CCSS.4.G.A.2

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

Tags

CCSS.4.G.A.2