Angles and Triangles

Front

What tool do we use to measure angles?

Back

Protractor

Tags

CCSS.4.MD.C.6

Front

How many degrees are in a straight angle?

Back

180°

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What type of angle is always 90°?

Back

Right angle

Tags

CCSS.4.G.A.1

Front

True or False: An angle that measures 130° is acute.

Back

False

Tags

CCSS.4.G.A.1

Front

True or False: A triangle can have more than one right angle.

Back

False

Tags

CCSS.4.G.A.2

Front

What is an acute angle?

Back

An angle that measures less than 90°.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is a triangle?

Back

A polygon with three sides and three angles.

Tags

CCSS.2.G.A.1

Front

What are the types of triangles based on angles?

Back

Acute, Right, and Obtuse triangles.

Tags

CCSS.4.G.A.2

Front

What is the sum of the angles in a triangle?

Back

180°.

Tags

CCSS.8.G.A.5