Right, Obtuse, Acute Triangles

Name this triangle for its angles and sides.

• obtuse

• right

• isosceles

• equilateral

Tags

CCSS.4.G.A.2

Name these triangles for their angles.

• acute

• right

• obtuse

Tags

CCSS.4.G.A.2

Name this triangle for its sides and agles.

• acute

• right

• isosceles

• scalene

Tags

CCSS.4.G.A.2

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Isosceles Triangle

• Obtuse Equilateral Triangle

Tags

CCSS.4.G.A.2

What Type of Triangle is this?

• right triangle

• acute triangle

• obtuse triangle

Tags

CCSS.4.G.A.2

Which triangles are RIGHT triangles?

• Triangle 1

• Triangle 2

• Triangle 3

• None

Tags

CCSS.2.G.A.1

Classify this triangle.

• Acute

• Obtuse

• Right

Tags

CCSS.4.G.A.2

An obtuse triagle is

• a triangle with no angles greater than 90 degrees.

• a quadrilateral with one angle that is greater than 90 degrees.

• a triangle with one angle that is greater than 90 degrees.

• a triangle with two angles that are greater than 90 degrees.

Tags

CCSS.4.G.A.2

A triangle that has one angle that measures greater than 90 degrees.

• Acute triangle

• Isosceles triangle

• Obtuse triangle

• Scalene triangle

Tags

CCSS.4.G.A.2

This is a right triangle because —

• it is facing the right way

• it has 3 acute angles

• it has one 90 degree angle

• it does not have one obtuse angle

Tags

CCSS.4.G.A.2