Drag the orange dots on the edge of the circles to make a random-size annulus. Now try to estimate the area of the annulus just by looking at the squares inside it; Calculate the area using the formula; When you done click show details to see how close you got.
Meaning of the surname Avelar: Avelar all meanings: Volatile, Modern, Creative, Temperamental, Friendly, Competent, Cheerful, Generous, Serious, Active, Lucky. Avelar all surname meanings, graph
Originally published in Journal of Creation 14, no 2 (August 2000): 95-98. The standard definition of âvestigialâ is an organ that once was useful in an animalâs evolutionary past, but that now is useless or very close to useless. The list of vestigial organs in humans has shrunk from 180 in 1890 to 0 in 1999.