help! nonregular heptagon

[ackislandgirl125]

the base of the pyramid is a nonregular heptagon with an area of 30.0 square yards. The height of the pyramid is 6.6 yards. Find the volume of the pyramid

 

[wjm11]

http://library.thinkquest.org/20991/geo/solids.html

 

[Mrspi]

the base of the pyramid is a nonregular heptagon with an area of 30.0 square yards. The height of the pyramid is 6.6 yards. Find the volume of the pyramid

For ANY pyramid,

Volume = (1/3)*(area of base)*height

You're given the area of the base. You are given the height......