1.5 Triangle Classification

Name this triangle based on its sides.

• equilateral

• isosceles

• scalene

• acute

Tags

CCSS.4.G.A.2

Which would be the best classification for the triangle shown?

• right isosceles
• obtuse scalene
• obtuse isosceles
• right scalene

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 do the angles in an equilateral triangle measure?

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

Tags

CCSS.8.G.A.5

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

What is the name of a triangle a has a 105 degree angle in it?

• Right
• Acute
• Obtuse
• Equilateral

Tags

CCSS.4.G.A.2

Look at the sides and angles of this triangle. Which type of triangle is pictured?

• Equilateral Triangle
• Scalene Triangle
• Isosceles Triangle
• Right Triangle

Tags

CCSS.4.G.A.2

Find the measure of the missing angle.

• 140°
• 21°
• 105°
• 25°

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle.

Tags

CCSS.8.G.A.5