Measure and Classify Angles (2024)

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

How do you label an angle with points D, E, and F?

Back

∠DEF

Front

Solve for x if the angle measures 38 degrees.

Back

x = 38

Tags

CCSS.7.G.B.5

Front

What type of angle is ∠BCE?

Back

Right angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is less than 90 degrees?

Back

Acute angle.

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

If an angle measures 120 degrees, what type of angle is it?

Back

Obtuse angle.

Tags

CCSS.4.G.A.1

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5