The peace treaty between america and england was made in the city of

Paris.

Explanation:

I'm assuming this is the Revolutionary War and not the War of 1812. While the British surrendered at Yorktown, there was no treaty until a couple of years later where the Treaty of Paris was signed that formally put an end to the war.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34