Identify and Classify Triangles

Name this triangle by its sides

• scalene

• isosceles

• equilateral

• acute

Tags

CCSS.4.G.A.2

Name this image by its angles.

• acute

• obtuse

• right

• equiangular

Tags

CCSS.4.G.A.2

Name this triangle by its sides.

• scalene

• isosceles

• equilateral

• obtuse

Tags

CCSS.4.G.A.2

Name this triangle by its angle and sides.

• acute, scalene

• obtuse scalene

• right, scalene

• right, isosceles

Tags

CCSS.4.G.A.2

• acute

• obtuse

• right

Tags

CCSS.4.G.A.2

• equilateral

• isosceles

• scalene

Tags

CCSS.4.G.A.2

• equilateral

• isosceles

• scalene

Tags

CCSS.4.G.A.2

A triangle has side lengths of 15 centimeters, 11 centimeters, and 9 centimeters. What kind of triangle is it?

• equilateral

• isosceles

• scalene

Tags

CCSS.4.G.A.2

Marvin drew a triangle with one right angle and 2 acute angles. What type of triangle is it?

• right because 1 angle is 90 degrees

• acute because 1 angle is 90 degrees

• right because it has two 90 degrees angles

• obtuse because an angle is greater than 90 degrees

Tags

CCSS.4.G.A.2

Erlam saw an obtuse triangle. Which of these statements is true?

• All of the angles are obtuse angles.

• One of the angles is greater than 90 degrees.

• One of the angles is 90 degrees

• All the angles are less than 90 degrees

Tags

CCSS.4.G.A.2