Acute Angles flashcard

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

Is 45 degrees an acute angle?

Back

Yes, 45 degrees is an acute angle.

Tags

CCSS.4.G.A.1

Front

Is 120 degrees an obtuse angle?

Back

Yes, 120 degrees is an obtuse angle.

Tags

CCSS.4.G.A.1

Front

Is 90 degrees a right angle?

Back

Yes, 90 degrees is a right angle.

Tags

CCSS.4.G.A.1

Front

Is 180 degrees a straight angle?

Back

Yes, 180 degrees is a straight angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is less than 90 degrees?

Back

An acute angle.

Tags

CCSS.4.G.A.1

Front

What type of angle is more than 90 degrees but less than 180 degrees?

Back

An obtuse angle.

Tags

CCSS.4.G.A.1