Please Help me with this Geo Problem?

Question

anonymous · Answer

An artist creates metal 
sculptures in the shape of regular 
octagons. The side length of the larger 
sculpture is 7 inches, and the area of 
the base of the smaller sculpture is 
19.28 square inches.
 a. What is the side length of the smaller 
sculpture?
b. The artist is going to pack the 
sculptures in a circular box to take them 
to an art show. Will the larger sculpture 
fit in a circular box with a 15-inch 
diameter? Explain your reasoning

mertsj · Answer

The area of a regular octagon = 4.828a^2 where a is the side length.  Use that to find the side length of the smaller sculpture whose base has area 19.28

anonymous · Answer

Ok, thanks so much :}

mertsj · Answer

yw