Q: What is the surface area of a cylinder if the raduis is 7 and the length is 25?

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Total surface area of the cylinder: (2pi2^2)+(22pi4) = 68*pi square units or about 213.628 square units to 3 decimal places

Curved surface area includes the area of the length of the cylinder only whereas surface area includes the two bases as well...

A cylinder with a radius of 7in and a length of 3in has a total surface area of about 439.82 square inches.

A cylinder if the diameter is 124 mm and the length is 170 mm has a surface area of 90,377.34mm2

If by length you mean diameter then the surface area is 80π cm squared= about 251.327cm squared

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Assuming that raduis = radius, the total surface area is 132 square units.

If cylinder radius and cylinder length are known : (pi = 3.141592654 . . . ) > Surface area = ( (2 * pi * radius) * length )

Total surface area of the cylinder: (2pi2^2)+(22pi4) = 68*pi square units or about 213.628 square units to 3 decimal places

Curved surface area includes the area of the length of the cylinder only whereas surface area includes the two bases as well...

The surface area of a cylinder can be derived from the area of rectangle. If you 'unroll' a cylinder you have a shape of a rectangle, similar to a sheet of paper. The width of the rectangle will be the height of the cylinder and the length of the rectangle will be the circumference of the cylinder end.So, Area = length * widthwhere, width = height of cylinder & length = circumference of cylinder end = PI*(Diameter of cylinder)Therefore,surface area of a cylinder = (PI)*(diameter of cylinder)*(height of cylinder)Hope that helps!

A cylinder with a radius of 7in and a length of 3in has a total surface area of about 439.82 square inches.

Surface area of a cylinder = (pi) x (diameter of the circular end) x (length)

A cylinder if the diameter is 124 mm and the length is 170 mm has a surface area of 90,377.34mm2

A cylinder's length is 12 inches, and its radius is 6 inches. What is the surface area of the cylinder to the nearest tenth ?

25.13m2

Assuming that shere = sphere and raduis = radius, the answer is 942 square units.

The lateral surface area is 8796.46cm2