Triangle Classification

Presentation

•

Mathematics

•

9th - 10th Grade

•

Medium

•

CCSS

4.G.A.2, 8.G.A.5

Standards-aligned

Used 45+ times

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4 Slides • 10 Questions

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.

133

Multiple Choice

Find the measure of the missing angle.

140°

21°

105°

25°

Multiple Choice

What is the measure of the missing angle?

180

Multiple Choice

Can a triangle can have 2 right angles in it?

Yes

Sometimes

It can have a maximum of 3 right angles.

Triangle Classification

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