To find the radius of a circle with a given area of 628, you can use the formula for the area of a circle, A = πr^2, where A is the area and r is the radius. Rearranging the formula to solve for the radius, you get r = √(A/π). Substituting the given area of 628 into the formula, you get r = √(628/π) ≈ √(199.87) ≈ 14.14. Therefore, the radius of the circle is approximately 14.14 units.
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Well, let's think about this in a calm and peaceful way. To find the radius of a circle when you know the area, you can use the formula A = πr^2, where A is the area and r is the radius. In this case, if the area is 628, you can plug that into the formula and solve for the radius. Just take your time, enjoy the process, and you'll find the answer in no time.
When you try to figure out an area of a circle, you square the radius, then multiply it by pi to get the area of a circle. A radius square is radius x radius, or radius squared.
The area of any circle is (pi) x (radius)2 .The area of half the circle is just half of that number.
A circle with a radius of 2.5 meters has an area of 19.63 square meters.
A circle with a radius of 5 units has an area of 78.54 square units.
A circle with a radius of 9 feet has an area of 254.47 square feet.