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What is the radius of a circle if the area is 1256 square meters?
Wiki User
∙ 10y ago
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.
Wiki User
∙ 10y ago
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Don't get cared by the decimal, it's just a point. It means: divide by 10^n where n is the number of digits after the decimal. So in this case, 3.14 means 314 / 10^2 = 314 / 100 so you are actually doing this 314/100 x 4 = 314 x 1/100 x 4. Multiplication is commutative so you might as well do 4 x 314, then divide by 100. So you should get 1256 / 100. To divide by 100, recall what decimal means, it's simply 12.56 :D
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What is the radius of a circle whose area is 1256 square centimeters?
Radius: square root of (1256/pi) = 20 cm rounded to nearest integer
What is the area of a circle if the radius is 20 m in terms of pi?
If i remember the 'ol math class circle area is equal to radius squared times pi so 20x20x3.14 = 1256 meters squared
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
Find the area of a circle if the radius is 20 in?
1256 inches squared
Where pi is 3.14 find the area of a circle with a radius of 20cm?
1256 cm2
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
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 many centimeters are there in 1256 meters?
125600 centimeters in 1256 meters Also helpful 100 centimeters are in one meter
How many kilometers are there in 1256 meters?
There are 1000 metres in one kilometre. Therefore, 1256 metres is equal to 1256/1000 = 1.256 kilometres.
Find the circumference and the area of a circle with a radius of 20 m?
Area = Pi*r*r3.14*20*20=1256 aboutC=2*pi*r2*3.14*20=125.6 about
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.
