Congruent Angles and Polygons

Front

What are congruent angles?

Back

Congruent angles are angles that have the same measure.

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.

Front

What is a square?

Back

A square is a polygon with 4 right angles and 4 congruent sides.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides that are congruent.

Front

What does it mean for two figures to be congruent?

Back

Two figures are congruent if they have the same shape and size.

Front

How many sides does a triangle have?

Back

A triangle has three sides.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is 180 degrees.

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a figure into two mirror-image halves.

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Front

What is a rectangle?

Back

A rectangle is a polygon with 4 right angles and opposite sides that are congruent.