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What is the area of a circle whose diameter is 18?
254.47radius:= diameter/2= 18/2= 9Area of circle:= pi * radius2= 3.1416 * 92= 3.1426 * 81= 254.47
Calculate the diameter of a cylinder whose height is the same as its diameter and whose volume is 220cm?
Volume = Height * Area of Circle Area of Circle = pi*(Diameter/2)^2 Height = Diameter Volume = Diameter*(pi*(Diameter/2)^2) Volume = (pi/4)*Diameter^3 Diameter = (4/pi) * Volume ^ (1/3) Diameter = (4/3.14)*220^(1/3) ≈ 6.54 cm
What is the diameter of a circle whose area is 64pi?
Area = 64pi implies that radius = 8 units So diameter = 2*rad = 16 units.
How do I figure the area of a circle by diameter?
To find area of a circle using diameter, you use this formuler. Area=pi(diameter/2)(diameter/2)
How many square inches in 2 inch diameter?
A circle whose diameter is 2 inches has an area of 'pi' square inches.3.142 in2 (rounded)
What is the area of a circle whose diameter 18inches?
254.47 inches2radius:= diameter/2= 18 inches/2= 9 inchesArea of circle:= pi * radius2= 3.1416 * 92= 3.1426 * 81= 254.47 inches2
What is the diameter of a circle whose radius is 2?
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What is the area of a circle that has a diameter of 2 feet?
The area of a circle with a diameter of 2 feet is 3.14159 square feet, approximately.
Find the diameter of a circle whose area is 78.5cm2?
The formula for the area of a circle is A = πr^2, where A is the area and r is the radius. We can solve for the radius by rearranging the formula: r = √(A/π) Given that the area is 78.5cm^2, we can substitute this value into the formula: r = √(78.5/π) ≈ 5.01cm Finally, we can calculate the diameter by doubling the radius: d = 2r ≈ 10.02cm Therefore, the diameter of the circle with an area of 78.5cm^2 is approximately 10.02cm.
How do you find the area of a semi-circle if you know the diameter?
A semicircle is 1/2 of a circle. Find the area with the diameter you are given as if you had a whole circle, then divide that answer by 2 to get the area of the semicircle.
What is the area of a 28 cm circle using pi?
The area of a circle with a diameter of 28 cm is pi*(d/2)2= 615.8 cm2 The area of a circle with a diameter of 28 cm is pi*(d/2)2= 615.8 cm2 The area of a circle with a diameter of 28 cm is pi*(d/2)2= 615.8 cm2 The area of a circle with a diameter of 28 cm is pi*(d/2)2= 615.8 cm2
What is the area of a circle whose diameter is 20 cm?
The formula to calculate the area of a circle is A = πr^2, where r is the radius of the circle. Since the diameter is 20 cm, the radius would be half of that, which is 10 cm. Plugging in the radius into the formula, we get A = π(10)^2 = 100π cm^2. Therefore, the area of the circle with a diameter of 20 cm is 100π square centimeters.
