Classifying Triangles

What type of triangle is shown?

• Isosceles

• Right-angled

• Equilateral

• Scalene

What kind of triangle is this?

• acute

• right

• obtuse

• 360 degrees

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

In an ______________ triangle, all three angles are less than 90 degrees.

• acute

• right

• obtuse

• 360 degrees

Classify this triangle.

e

acute isosceles

right scalene

right isosceles

acute equilateral

acute scalene

Side Classification: ​ (a)  

Angle Classification: ​ (b)  

• Isosceles

• Acute

• Right

• Obtuse

• Equilateral

• Scalene

Classify the following triangle​ .​ ​ ​ ​ ​ ​ ​ ​ ​ ​​ ​ (a)   ​ (b)   ​ (c)   ​

• right triangle

• acute triangle

• obtuse triangle

Label the three triangles

a

b

c

Scalene Triangle

Equilateral Triangle

Iscosceles Triangle

Classify this triangle.

b

right isosceles

acute isosceles

acute equilateral

obtuse scalene

right scalene

Which triangle is classified as scalene and obtuse?