Lesson 27 Classify Triangles Practice

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

• Isosceles Triangle

• Equilateral Triangle

• Obtuse Triangle

• Irregular Triangle

A triangle can be classified as an isosceles triangle if there are two equal sides.

• True

• False

If all of the triangle side are different lengths, the triangle is an isosceles triangle.

• True

• False

Mrs. Adams ordered a giant slice of pizza. Her pizza slice had the following measurements:

6 inches, 6 inches, and 4 inches.

How would she classify her pizza slice?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

Classify this triangle by its sides and angles.

• acute & scalene

• right & scalene

• right & equilateral

• acute & equilateral

Classify this triangle by its sides and angles.

• obtuse & equilateral

• obtuse & isosceles

• right & isosceles

• right & equilateral

Classify this triangle by its sides and angles.

• obtuse & isosceles

• right & scalene

• right & isosceles

• obtuse & scalene

Classify this triangle by its sides and angles.

• right & scalene

• acute & isosceles

• right & isosceles

• acute & scalene

Classify this triangle by its sides and angles.

• obtuse & isosceles

• obtuse & equilateral

• right & isosceles

• right & equilateral

Classify this triangle by its sides and angles.

• right

• obtuse

• isosceles

• scalene