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What is the square ft of a 9 ft circle?
The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).
What is the radius of a circle whose area is 254.47 square feet?
The radius is 9 feet.
What happens to the area of a circle if you triple a radius?
When you triple the radius of the circle . . . -- The diameter also triples. -- The circumference also triples. -- The area is multiplied by 9 .
What is the area of a circle if the radius is 9?
i believe that it is 18 if the radius is 9 edit: wrong, area = pi*radius^2 so it's 3.1415926535*81=254.469
What is the area of a 12 inch and a 9 inch circle?
If you are talking about 9 and 12 inch diameter, then divide both by 2 to get the radius. The area of a circle is pi (3.1415 is good for most calculations) multiplied by the square of the radius. So for the 12 inch circle, the radius is 6. The square of the radius is 36, and multiplying this by pi gives approximately 113.1 square inches. Now the 9 inch circle has a radius of 9/2 or 4.5. Squaring this we get 20.25, which multiplied by pi is approximately 63.6 square inches. If 9 and 12 were already the radius in the problem, just don't divide by 2 since you already have the radius.
What is square foot of 18ft diameter circle?
area of circle = pi x radius squared where pi = 3.1416 radius = diameter/2 = 18/2 = 9 ft area = 3.1416 x 9 x 9 sq ft = 254 sq ft
What is the area in square inches of a circle with diamter of 1.5ft?
The circle's radius is 1.5/2 = 0.75 ft = 9 inches The area of the circle is (pi) times (radius)2 = (pi) x (9)2 = 254.469 square inches (rounded)
What is the radius of a 9ft by 9 ft circle?
Since your circle has a diameter of 9 feet (the definition of a "9 by 9" circle), the radius is half of that distance. In this case, your radius is 4.5 feet or 54 inches.
What happen to the area of circle when the radius is tripled?
If you triple the radius of a circle, the area will increase by 9. Area is proportional to the square of the radius.
What is the square ft of a 9 ft circle?
The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).The area of a circle with a diameter of 9 feet is 63.6 sq ft (approx).
What is the area of a circle with a radius of 9 centimeters?
The area of a circle with a radius of nine centimeters is: 254.5 cm2
What is the square ft of 9 ft round?
To find the square footage of a circle with a diameter of 9 feet, first calculate the radius, which is half the diameter, so 4.5 feet. Then use the formula for the area of a circle: A = πr². Plugging in the radius, the area is approximately 63.62 square feet (using π ≈ 3.14).
How do you work out the area of a square to the area of a round?
Pie X radius X radius or Pie X r2 ie circle with a radius of 3 ft. take 32 =9 * 3.14 = 28.26 ft2
How do you find the circumfrence of a circle if you have the radius?
the circumfrence of a circle is pi times it's radius squared.
What is the square yards of an 18ft circle?
If the diameter is 18 ft then the radius is 9 ft = 3 yards. Then the area is pi*r2 = 28.27 sq yards.
What is the area of a circle eighteen ft across?
diameter=18 ft so radius=9 feet area of cirlce=pi*r^2 so area is 81pi ft^2 =81*3.14 ft^2 =254.34 ft^2
What is the area of a circle if the radius is 9 In?
Area of a circle of radius r = πr2Area of circle of radius 9 In = π(9)2 = π x 81 , putting value of pi we get= 3.14159625 x 81 = 254.46 sq. In
