6.1 Intro to polygons

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.

Tags

CCSS.2.G.A.1

Front

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

Back

180°

Tags

CCSS.8.G.A.5

Front

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

Back

360°

Front

How many sides does a pentagon have?

Back

5 sides

Tags

CCSS.2.G.A.1

Front

How many sides does a hexagon have?

Back

6 sides

Tags

CCSS.2.G.A.1

Front

What is a regular polygon?

Back

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

Tags

CCSS.2.G.A.1

Front

What is an irregular polygon?

Back

An irregular polygon is a polygon that does not have all sides and angles equal.

Tags

CCSS.2.G.A.1

Front

What is the formula to find the sum of the interior angles of a polygon?

Back

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

Front

Is a circle a polygon?

Back

No, a circle is not a polygon because it does not have straight sides.

Tags

CCSS.2.G.A.1

Front

What is a decagon?

Back

A decagon is a polygon with 10 sides.

Tags

CCSS.2.G.A.1