Tuesday

November 25, 2014

November 25, 2014

Posted by **JdS** on Thursday, January 24, 2008 at 8:31pm.

- geometry -
**Damon**, Thursday, January 24, 2008 at 9:18pmA =(1/4) n a^2 ctn (180/n)

A is area

a is length of side

n is number of sides

ctn is cotangent

- geometry -
**Anonymous**, Tuesday, May 24, 2011 at 4:29amif the angle of a regular polygon is 20 degrees how many sides does the ploygon have? 18 sides, but show your work

**Answer this Question**

**Related Questions**

Geometry - Please help! I'm really confused on what it is asking. Use the ...

algebra - the apothem of a regular polygon is the distance from the center of ...

algebra - The apothem of a regular polygon is the distance from the center of ...

Geometry - Please Help Me! Find the area of this polygon rround to the nearest ...

GEOMETRY(POLYGON) - A regular polygon has interior angles of 150∘. A,B,C,D...

geometry - what is the area of a regular polygon with 13.8 area and 6 sides

geometry - If the measure of an exterior angle of a regular polygon is 24, how ...

geometry - if each angle in a regular polygon is 157.5 degrees, how many sides ...

Geometry - If each exterior angle of a regular polygon measures 40 degrees, what...

geometry - A regular polygon has an interior angle that measures 90°. Which of ...