Would be the area of a circle.
Area = pi * radius squared
A = pi*r2
radius = diameter/2
Radius = 4 mm/2 = 2 mm
Area of quarter = (3.14)(2 mm)2
= 12.6 mm2
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The diameter of a quarter is 24.26 mm. Circumference is pi* diameter. 24.26 mm * 3.14159=76.21 mm
To calculate the radius of a quarter in millimeters, you first need to know the diameter of the quarter. A U.S. quarter has a diameter of 24.26 mm. The radius is half of the diameter, so you divide 24.26 mm by 2, resulting in a radius of approximately 12.13 mm.
The diameter of a quarter is 24.26 mm (0.955 in).
A US quarter is 24.26 mm in diameter, giving it an area on each face of 462.2441 square mm (A = pi * r^2). Is also 1.75 mm thick, meaning that the edge (assuming that it was smooth - that is, without giving effect to the increase area brought about by the 119 reeds on the reeded edge) would have an area of 133.3763 square mm (A = 2 * pi * r * h). Thus, the total surface area of a US quarter would be 1057.8645 square mm. A Canadian quarter is 23.81 mm in diameter, giving it an area on each face of 445.2548 square mm (A = pi * r^2). Is also 1.60 mm thick, meaning that the edge (assuming that it was smooth - that is, without giving effect to the increase area brought about by the reeds on the reeded edge) would have an area of 119.6821 square mm (A = 2 * pi * r * h). Thus, the total surface area of a Canadian quarter would be 1010.1916 square mm.
A cylinder if the diameter is 124 mm and the length is 170 mm has a surface area of 90,377.34mm2
The diameter of a quarter is 24.26 mm. Circumference is pi* diameter. 24.26 mm * 3.14159=76.21 mm
The diameter of a quarter is 24.26 mm. Circumference is pi* diameter. 24.26 mm * 3.14159=76.21 mm
The diameter of a quarter is 24.26 mm. Circumference is pi* diameter. 24.26 mm * 3.14159=76.21 mm
Diameter: 24.26 mm Circumference: 76.215 mm
24.26 mm
The diameter of a quarter is 24.26 mm (0.955 in).
A US quarter is 24.26 mm in diameter, giving it an area on each face of 462.2441 square mm (A = pi * r^2). Is also 1.75 mm thick, meaning that the edge (assuming that it was smooth - that is, without giving effect to the increase area brought about by the 119 reeds on the reeded edge) would have an area of 133.3763 square mm (A = 2 * pi * r * h). Thus, the total surface area of a US quarter would be 1057.8645 square mm. A Canadian quarter is 23.81 mm in diameter, giving it an area on each face of 445.2548 square mm (A = pi * r^2). Is also 1.60 mm thick, meaning that the edge (assuming that it was smooth - that is, without giving effect to the increase area brought about by the reeds on the reeded edge) would have an area of 119.6821 square mm (A = 2 * pi * r * h). Thus, the total surface area of a Canadian quarter would be 1010.1916 square mm.
The surface area of a 100 mm dish is approximately 314 square millimeters.
A cylinder if the diameter is 124 mm and the length is 170 mm has a surface area of 90,377.34mm2
The area of a circle whose diameter is 6 mm is: 28.27 mm2
24.26 mm (0.955 US inches)
2.5 cm or 25 mm