Understanding Angles Flashcard

Front

Why are angles important in building structures?

Back

They ensure structures do not fall apart.

Tags

CCSS.2.G.A.1

CCSS.1.G.A.1

Front

Which angle is formed when the blue ray completes one full rotation?

Back

Complete angle.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is the measure of a reflex angle?

Back

Between 180 and 360 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is the measure of a straight angle?

Back

180 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is formed when two rays meet at a common point?

Back

An angle.

Tags

CCSS.4.G.A.1

Front

What is an angle?

Back

An angle is formed when two rays meet at a common point.

Front

What is a right angle?

Back

A right angle measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an acute angle?

Back

An acute angle measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is a complete angle?

Back

A complete angle measures exactly 360 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1