Triangle Classification

Triangle Classification

Triangles can be classified by their ANGLES

• Right Triangle

• Acute Triangle

• Obtuse Triangle

• Equiangular

Triangles can be classified by their SIDES

• Scalene

• Equilateral

• Isosceles

https://www.bzuscience.com/2019/11/types-of-triangles-with-pictures.html

Multiple Select

You can classify triangles by their ___________ and by their ____________. (Select the two that apply)

• sides

• shape

• color

• angles

Multiple Choice

Look at the sides of this triangle. What type of triangle is this?

• scalene
• acute
• equilateral
• isosceles

Multiple Choice

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 45, 45, 90
• 60, 60, 60
• 35, 55, 90

Multiple Choice

What is an isosceles triangle?

• a triangle with 2 congruent sides.
• Adds up to 180
• a triangle with 3 congruent sides
• a triangle with all angles less than 90⁰

Multiple Choice

Which would be the best classification for the triangle shown?

• acute isosceles

• equiangular scalene

• equiangular isosceles

• equiangular equilateral

Multiple Choice

Which would be the best classification for the triangle shown?

• acute isosceles

• equiangular scalene

• equiangular isosceles

• equiangular equilateral

Multiple Choice

Find the measure of the missing angle.

• 47
• 57
• 53
• 133

Multiple Choice

Find the measure of the missing angle.

• 140°

• 21°

• 105°

• 25°

Multiple Choice

What is the measure of the missing angle?

• 82
• 43
• 55
• 180

Multiple Choice

Can a triangle can have 2 right angles in it?

• Yes
• No
• Sometimes
• It can have a maximum of 3 right angles.