Classify Triangles: Acute, right, obtuse

Front

What kind of triangle has all angles less than 90 degrees?

Back

Acute triangle

Tags

CCSS.4.G.A.2

Front

What kind of triangle has one angle that is exactly 90 degrees?

Back

Right triangle

Tags

CCSS.4.G.A.2

Front

What kind of triangle has one angle that is greater than 90 degrees?

Back

Obtuse triangle

Tags

CCSS.4.G.A.2

Front

In an acute triangle, what is the maximum degree measure of any angle?

Back

Less than 90 degrees

Tags

CCSS.8.G.A.5

Front

If a triangle has angles measuring 60°, 70°, and 50°, what kind of triangle is it?

Back

Acute triangle

Tags

CCSS.4.G.A.2

Front

If a triangle has angles measuring 90°, 45°, and 45°, what kind of triangle is it?

Back

Right triangle

Tags

CCSS.4.G.A.2

Front

If a triangle has angles measuring 120°, 30°, and 30°, what kind of triangle is it?

Back

Obtuse triangle

Tags

CCSS.4.G.A.2

Front

What is the sum of the angles in any triangle?

Back

180 degrees

Tags

CCSS.8.G.A.5

Front

Can a triangle have two obtuse angles?

Back

No, a triangle cannot have two obtuse angles.

Tags

CCSS.8.G.A.5

Front

What type of triangle is formed by angles measuring 89°, 89°, and 2°?

Back

Acute triangle

Tags

CCSS.4.G.A.2