Geometry - 4.11 Plane Figures

Front

What is a right angle?

Back

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

Front

How many sides does a rectangle have?

Back

A rectangle has 4 sides.

Front

What shape has 3 sides?

Back

A triangle has 3 sides.

Front

What is a polygon?

Back

A polygon is a closed figure made up of straight line segments.

Front

How many angles does a quadrilateral have?

Back

A quadrilateral has 4 angles.

Front

What do we call figures that have the same size and shape?

Back

Congruent figures.

Front

What is the name of a shape with 6 sides?

Back

A hexagon.

Front

What is the difference between a square and a rectangle?

Back

A square has all sides equal, while a rectangle has opposite sides equal.

Front

What is an acute angle?

Back

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

Front

What is an obtuse angle?

Back

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