Triangle Classification Practice

Name this triangle based on its sides.

• equilateral

• isosceles

• scalene

• acute

Tags

CCSS.4.G.A.2

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

Tags

CCSS.4.G.A.2

What type of triangle has 2 sides that are congruent?

• Scalene
• Equilateral
• Isosceles
• Other

Tags

CCSS.4.G.A.2

Can a triangle can have 2 right angles in it?

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

Tags

CCSS.4.G.A.2

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

• scalene
• acute
• equilateral
• isosceles

Tags

CCSS.4.G.A.2

If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?

• Acute Isosceles
• Equilateral
• Obtuse Scalene
• Obtuse Isosceles

Tags

CCSS.4.G.A.2

A triangle in which all the three sides are unequal in length is called a __________.

• Scalene

• Isosceles

• equilateral

• acute

Tags

CCSS.4.G.A.2

Triangles are polygons that have...

• 3 sides and 0 angles.

• Any number of sides and any number of angles.

• 3 sides and 3 angles.

• multiple sides and 3 angles.

Tags

CCSS.2.G.A.1

An isosceles triangle...

(a)  

Tags

CCSS.HSG.CO.C.10

True or False?

Angles of a triangle always add up to 180º.

• True

• False

Tags

CCSS.8.G.A.5