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What is the radius of a circle whose area is 254.47 square feet?
The radius is 9 feet.
How do you find radius of a circle whose area is 154?
Radius of circle is the square root of 154/pi = 7 units rounded
How do you figure out the diameter of a circle?
Pi times the radius of the circle squared = area And diameter is simply the radius x 2, since the radius is half the length of the circle.
How do you find the area of a circle when the radius is unknown?
By using the other information supplied about the circle to calculate either its radius (from which its area can be calculated) or its area (if the circle is similar to another with a given area and some ratio between the two circle is given):If the diameter is given: radius = diameter ÷ 2If the circumference is given: radius = circumference ÷ 2πIf the circle is similar to another circle which has a given area, and the length ratio is given; square the length ratio to get the area ratio and apply to the given area.
What is the area of a circle whose radius is 19m?
Area = pi*r2 = 1134.1 sq metres
What is the length of the radius of a circle whose area is 100π?
The formula for the area (A) of a circle is A = πr2. If the area is 100π then 100π = πr2 : 100 = r2 : r = √100 = 10. The radius is of length 10 units.
How do you measure the area of a circle and why does it work?
The area of a circle is equal to that of a triangle whose base has the length of the circle's circumference (distance around the circle) and whose height equals the circle's radius which comes to Pi multiplied by the radius squared. Area of Triangle 1/2 *base*height
How much greater is the area of a circle whose radius is 6ft than the area of a circle whose radius is 3ft?
Radius is x2 so area is x4.
What is the area of a circle whose radius is 19 centimeters?
The area of a circle whose radius is 19 centimeters is: 1,134 cm2
What is the area of a circle with a radius of 7 meters?
3850m is the area of the a circle whose radius of 7meaters
What is the radius of a circle whose area is 3.14 square centimeters?
The radius of a circle whose area is 3.14 square centimeters is: 1 cm
What is the area of a circle whose radius is 6.6 inches?
A circle with a radius of 6.6 inches has an area of 136.85 square inches.
What is the area of a circle whose radius is 7.75 meters?
A circle with a radius of 7.75 meters has an area of 188.69 square meters.
What is the area of a circle whose radius is 10cm?
The area is 314 cm2
Express in terms of the area of a circle whose radius is 6?
A circle with a radius of 6 units has an area of 113.1 square units.
What is the approximate area of a circle whose radius is 21 cm?
A circle with a radius of 21 cm has an area of ~1,385.44 square cm
What happens to the area of a circle whose radius is halved?
the area of the circle will be 1/4 of its original area
