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The diameter of a circle which has an area of 12.56 cm2 is

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Bishar Omar

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2y ago

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What is the radius of a circle whose area is 1256 square centimeters?

To find the radius of a circle given its area, you can use the formula A = πr^2, where A is the area and r is the radius. In this case, the area is 1256 square centimeters. So, 1256 = πr^2. To solve for r, divide both sides by π and then take the square root. Therefore, the radius of the circle is approximately 20 centimeters.


What is the radius of a circle if the area is 1256 square meters?

Area of a circle = pi*r2 1256 m2 pi * r2 1256/pi = r2 sqrt(399.797) = r = 19.99 meters ==============Could call this 20 meters in radius.


How do you calculate the amount of fabric needed for a 40 ft circle?

area of a circle is calculated using the formula a=(pi)r2 where a is the area and r is the radius of the circle. so:if the diameter(distance from one edge of the circle to the other that passes through the mid point) of your circle is 40 feet then you would need approximately 1256 square feet give or take a couple square inches.if the circumference (length around the edge of the circle) of your circle is 40 feet then the over all area is 127.38 square feet.


How would you find the radius of a circle when the minor arc angle is 190 degrees and the sector area is 662.89?

Another answer:- Total area of circle: 360/190 times 662.89/1 = 1256 rounded to the nearest integer Radius of the circle = square root of 1256/pi = 20 rounded to the nearest integer


Where pi is 3.14 find the area of a circle with a radius of 20cm?

Oh, what a happy little question! To find the area of a circle, we use the formula A = πr^2, where A is the area, π is approximately 3.14, and r is the radius. So, for a circle with a radius of 20 cm, the area would be A = 3.14 x 20 x 20 = 1256 square centimeters. Just imagine all the beautiful colors you could paint in that space!


Find the area of a circle if the radius is 20 in?

1256 inches squared


If a circles radius is 20 inches what is the circumference?

1256 inches ++ Another Answer ++ The formula for finding the Circumference of a circle is C = Pi x D where D is Diameter and Pi is 3.1416. The Radius of a circle is one-half of the Diameter, hence the Diameter of a circle with a 20-inch Radius is 40 inches. Using the formula above, multiply 40 x 3.1416 to find the Circumference: 40 x 3.1416 = 125.664 inches.


What is the square root of 1256?

The square root is 35.44, but that has more numbers trailing.


What is the diameter of a cylinder when height is 13m and the volume is 1256m3?

Diameter = 11.09119147 m Volume = pi*5.5455957372*13 = 1256 cubic m


What is the smallest number subtracted from 1256 that gives the perfect square?

31.


What is the radius of a circle that has a 190 degree central angle and a secor area of 662.89?

assuming Pi is 3.14159 your answer is 19.994938227 continues Basically 20 or 19.995 662.89 is 190/360th of the total area total area was therefore 1256 A = Pi r2 So 1256 divided by Pi then find the square root of that number


What is the largest factor of 1256?

The largest factor of 1256 is 1256. The largest proper factor of 1256 is 628.