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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 diameter of a circle whose radius is 2?
4
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 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
How do you get a area from the diameter?
The equation for the surface area of a circle is Pi times the radius squared. Pi x r^2 = Area of a circle The radius is 1/2 the diameter therefore if d is the diameter; Pi x (d/2)^2 = Area of a circle
