What was the best outcome of these revolutions in the South America

The revolutions became an inspiration for South American people to get their indolence from their colonizer.

Explanation:

At that time, they also held a long resentment within South American countries toward the European Empire for being economically exploited and keep them in poverty. (Spanish and Portuguese empire had the strongest influence in South America at the time.)

Those revolutions became an inspiration for South American people. They believed that if those other people can overturn the stronger empire, they must have the power to do it too. Between the year of 1808 to 1826 , All South American countries managed to gain independence except  Cuba and Puerto Rico.

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