Wednesday

April 23, 2014

April 23, 2014

Posted by **Skye** on Sunday, March 6, 2011 at 7:27pm.

s=10.5cm

A= 19,887.5cm squared

Pentagon

A=asn/2

19,887.5cm=a*10.5*5/2

39775=52.5a

a=757.61cm?

am i correct?

regular nonagon

a=9.6cm

A=302.4cm squared

find perimeter thanks!

- geometry regular polygon -
**JJ**, Thursday, February 2, 2012 at 7:07pm302.4cm^2

**Related Questions**

math - the sides of a polygon have lengths of 2cm,5cm,6cm,4cm,9cm and the ...

Geometry - Find the surface area for each of the following Rt. Square Pyramid 6....

Math - find the perimeter of a regular octagon with sides of 5.5cm.

CHEMISTRY: URGENT DRBob222 - I thought it was similar so I wrote... x + y = 30cm...

Technical Drawing - 1. Construct a triangle with dimension 5cm, 6cm and 75 ...

statistics - What is your conclusion based on the following data? A survey was ...

Algebra - If anyone could please just look these over: The given measures are ...

math - draw a 5cm x 5cm grid in your homework book. your task is to break the ...

Geometry - Problem : Howm do you find the area of a circle circumscribed about a...

Science - Need help with find area of a cylinder measurement are : 1. dia 3cm ...