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The formula is the radius of the circle squared (multiplied by itself) times pi, which is a number that goes on forever and never repeats. Some people use 3.1415925, but it is most commonly considered as 3.14
This is most often written πr2 =Area of the circle where r is the radius of the circle. Using 3.14 as an approximation for π, we have Area=3.14 x r2
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What is the area of a circle which has a radius equal to 1?
The area of a circle can be calculated using the formula pi*(radius^2). So in this case, the area of the circle will be pi*(1^2), which is equal to pi.
What is the formula for finding an area of a circle?
The area of a circle with a known radius can calculated using the following formula where r is the radius : A = Pi(r)2
What is the area of a circle with the radius of 100?
The area of a circle can be calculated using the formula A = πr^2, where A is the area, π is a constant approximately equal to 3.14159, and r is the radius of the circle. Given a radius of 100, the area of the circle would be A = π(100)^2 = 10000π square units. This simplifies to approximately 31415.9 square units.
How do you coculat area?
That depends on the area to be calculated and some examples are:- Area of a circle = pi*radius2 Area of a triangle = 0.5*base*height Area of a rectangle = base*height
How many square inches are in a 2 inch circle?
The phrase "two inch circle" implies that the circle's area has already been calculated as "two square inches". However, if you truly meant that the circle had a diameter of two inches, it's area would be pi. Alternatively, if you meant a radius of two inches, the area would be 4pi.
