Find the Number of Sides in a Polygon

A polygon's interior angles add up to 2700.  How many sides does the polygon have?

• 17

• 15

• 19

• 11

A polygon with 8 sides is called a(n) __________________.

• octagon

• decagon

• heptagon

• dodecagon

Tags

CCSS.2.G.A.1

• The measure of the largest interior angle

• The number of sides of the polygon

• Nothing

• The number of triangles that compose the polygon

• 20 sides

• 21 sides

• 12 sides

• 180 sides

The sum of the interior angles in a polygon is 3,240^o.  How many sides are in the polygon?

• 10

• 582,840

• 18

• 20

If an exterior angle of a regular polygon measures 40°, how many sides does the polygon have?

• 9 sides

• 18 sides

• 4 sides

• 13 sides

Find the number of sides on a regular polygon with an exterior angle of 20^o...

• 18

• 20

• 15

• 24

Find the number of sides on a polygon with an exterior angle of 18^o...

• 18

• 20

• 15

• 24

Find the number of sides on a regular polygon with an exterior angle of 24^o...

• 18

• 20

• 15

• 24

Find the number of sides on a regular polygon with an exterior angle of 15^o...

• 18

• 20

• 15

• 24