The formula to find the area  for any circle is radius square times Pi. If you had a circle with the radius of 3 feet, then that process is simple. Since the formula states that you have to take the radius and multiply it by two. So you simply take 3 and turn it into a fraction; 3/1.  The equivalent fraction of Pi is 22/7 , so you would multiply 3/1 by 22/7, and most likely get 9  and 3/7 as an answer. However, that answer would be approximate, simply because Pi goes on forever. The formula for the circumference is 2 • π • radius   =   π • diameter. To simplify it, there are several lines that can reach across the paper. For starters, there is the circumference, radius, and diameter. The circumference of a circle is the actual length around the circle which is equal to 360°. Pi (p) is the number needed to compute the circumference of the circle. In circles the circumference is 3.14 (p) times the Diameter.
    In all honesty, some of us might have been confused while trying to memorize all of the formulas. The circle is one of the most complex types of shapes there are. With no vertex, or corners, finding the center might be a challenge sometimes, especially for finding the circumference, or area of a circle. Often, the measurements are given, so you wouldn't exactly need to worry about that as much. Just plugging in the information for completing the formula can be a bit stressing at times. Sometimes, you might forget your place on the mathematical equation. Memorizing formulas, blending with the norm of arithmetic isn't easy, I will not lie.




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