Identify angles and right angles

Front

What is an angle?

Back

An angle is formed when two lines meet at a point. It shows how much one line turns away from another.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees. It looks like the corner of a square.

Tags

CCSS.4.G.A.1

Front

How many angles are in a triangle?

Back

A triangle has 3 angles.

Front

How many angles are in a rectangle?

Back

A rectangle has 4 angles.

Tags

CCSS.3.G.A.1

Front

What shape has 5 angles?

Back

A pentagon has 5 angles.

Tags

CCSS.2.G.A.1

Front

What shape has 6 angles?

Back

A hexagon has 6 angles.

Tags

CCSS.2.G.A.1

Front

How many right angles are in a square?

Back

A square has 4 right angles.

Tags

CCSS.3.G.A.1

Front

How many right angles are in a rectangle?

Back

A rectangle has 4 right angles.

Tags

CCSS.3.G.A.1

Front

Can a shape have only one right angle?

Back

Yes, a shape can have only one right angle, like a right-angled triangle.

Tags

CCSS.4.G.A.2

Front

What is the sum of angles in a triangle?

Back

The sum of angles in a triangle is always 180 degrees.

Tags

CCSS.8.G.A.5