Measuring Angles

Front

What is an angle?

Back

An angle is formed when two lines meet at a point, called a vertex.

Tags

CCSS.HSG.CO.A.1

Front

What is a protractor used for?

Back

A protractor is a tool used to measure angles.

Tags

CCSS.4.MD.C.6

Front

What is the measurement of a right angle?

Back

90 degrees.

Tags

CCSS.4.G.A.1

Front

What type of angle measures less than 90 degrees?

Back

An acute angle.

Tags

CCSS.4.G.A.1

Front

What type of angle measures exactly 180 degrees?

Back

A straight angle.

Tags

CCSS.4.G.A.1

Front

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

Back

An obtuse angle.

Tags

CCSS.4.G.A.1

Front

What do we call the point where two lines meet?

Back

A vertex.

Tags

CCSS.4.G.A.1

Front

What is the total measurement of angles in a triangle?

Back

180 degrees.

Tags

CCSS.8.G.A.5

Front

If one angle in a triangle is 90 degrees, what type of triangle is it?

Back

A right triangle.

Tags

CCSS.4.G.A.2

Front

What is the term for angles that are equal in measurement?

Back

Congruent angles.

Tags

CCSS.8.G.A.2