Names of Triangles

Classify the triangle by its sides.

• Scalene

• Isosceles

• Equilateral

Classify the triangle by its sides.

• Scalene

• Isosceles

• Equilateral

What type of triangle is shown?

• Isosceles

• Right-angled

• Equilateral

• Scalene

What type of triangle is shown?

• Isosceles

• Right-angled

• Equilateral

• Scalene

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

Select the letter that represents a right isosceles triangle. 

• A

• B

• C

• D

What type of triangle is shown?

• Isosceles

• Right-angled

• Equilateral

• Scalene

Charlotte has drawn a triangle with angles of 60°, 60° and 60°.

What type of triangle has she drawn?

• Isosceles

• Right-angled

• Scalene

• Equilateral

To classify triangles by the measure of their sides you must use the names:

• Equilateral, Equiangular and Obtuse

• Equilateral, Isosceles and Scalene

• Right triangle, Scalene and Equiangular

• Isosceles, Scalene and Equilateral

To classify triangles by tne measure of their angles we use the names:

• Equiangular, Isosceles and Acute

• Acute, Obtuse and Isosceles

• Right triangle, Isosceles triangle and Scalene triangle

• Right triangle, Obtuse triangle and Acute triangle