Unit 5 Polygons & Holiday Trivia

Front

What is a polygon?

Back

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

Front

How many sides does a triangle have?

Back

A triangle has 3 sides.

Front

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

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

Define a regular polygon.

Back

A regular polygon is a polygon with all sides and all angles equal.

Front

What is the formula for calculating the sum of the interior angles of a polygon?

Back

The formula is (n-2) × 180°, where n is the number of sides.

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a shape into two identical halves.

Front

What is the difference between a convex and concave polygon?

Back

A convex polygon has all interior angles less than 180°, while a concave polygon has at least one interior angle greater than 180°.

Front

How many sides does a hexagon have?

Back

A hexagon has 6 sides.

Front

What is the measure of each angle in a regular pentagon?

Back

Each angle in a regular pentagon measures 108 degrees.