Classifying Triangles

A triangle has angle measurements of 163°, 2°, and 15°. What kind of triangle is it?

• acute triangle

• right triangle

• obtuse triangle

• none of the above

Tags

CCSS.4.G.A.2

A triangle has angle measurements of 74°, 90°, and 16°. What kind of triangle is it?

• acute triangle

• right triangle

• obtuse triangle

• none of the above

Tags

CCSS.4.G.A.2

A triangle has angle measurements of 27°, 72°, and 81°. What kind of triangle is it?

• acute triangle

• right triangle

• obtuse triangle

• none of the above

Tags

CCSS.4.G.A.2

A triangle has two 71° angles and one 38° angle. Is this triangle isosceles?

• yes 

• no

Tags

CCSS.2.G.A.1

• yes
• no

Tags

CCSS.2.G.A.1

Find the measure of angle D.

• 140 degrees

• 16 degrees

• 40 degrees

• 90 degrees

Tags

CCSS.8.G.A.5

Classify the triangle by angles and sides.

• Right Scalene

• Acute Isosceles

• Obtuse Isosceles

• Equiangular Equilateral

Tags

CCSS.4.G.A.2

Classify the triangle by angles and sides.

• Equiangular Equilateral

• Right Isosceles

• Right Scalene

• Acute Isosceles

Tags

CCSS.4.G.A.2

Identify the triangle by its sides

• acute isosceles

• obtuse scalene

• obtuse isosceles

• acute scalene

Tags

CCSS.4.G.A.2

An acute triangle is a triangle in which ______ angles are acute angles (less than 90 degrees)

• 1

• 2

• 3

Tags

CCSS.4.G.A.2