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What is the surface area of a sphere with a radius of 21?

Updated: 12/22/2022

Wiki User

∙ 13y ago

Best Answer

Surface area = 4*pi*212 = 5541.769 square units to 3 d.p.

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∙ 13y ago

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What is the surface area of a cylinder with a 4 radius and 21 height?

Total surface area = 628.3 square units.

What is the volume of a sphere with a radius of 21?

V = 38,790 units3

What is the area of a circle with the radius of 21?

The area of a circle of radius 21 is 1386

Find the radius of a cone with the slant height of 21 cm and a surface area of 232 pi?

The base radius is 3.517 cm

What is the surface area of an open cylinder whose radius is 10.5cm and a height of 21cm?

Surface area of a cylinder without the end caps = 2*pi*10.5*21 square cm.

Related questions

What is the volume of a sphere with a radius of 21 units?

The volume of a sphere with a radius of 21 units is: 12,348 units 3

What is the surface area of a cylinder with a 4 radius and 21 height?

Total surface area = 628.3 square units.

What is the surface area of a cylinder that is 21 radius and 4 in height?

3298.67 units2

What is the volume of a sphere with a radius of 21?

V = 38,790 units3

Find the radius of a cone with the slant height of 21 cm and a surface area of 232 pi?

The base radius is 3.517 cm

What is the area of a circle with the radius of 21?

The area of a circle of radius 21 is 1386

What is the surface area of a cone with 21 cm radius and 28 slanted height?

Curved surface area: pi*21*28 = 1847.256 square cm rounded to three decimal places

What is the surface area of an open cylinder whose radius is 10.5cm and a height of 21cm?

Surface area of a cylinder without the end caps = 2*pi*10.5*21 square cm.

What is the volume of a sphere with a radius of 21 cm?

Volume of a sphere = 4/3*pi*radius3 Volume = 12348*pi cubic cm

What is the approximate area of a circle whose radius is 21 cm?

A circle with a radius of 21 cm has an area of ~1,385.44 square cm

The total surface area of a cone if its slant height is 21'm and its diameter of its base is 24'm is?

Total surface area of cone = (pi*radius*slant height) + (pi*radius2) Area = (pi*12*21) + (pi*122) = 1244.070691 or about 1244 square m

What is the area of a circle when the radius is 21?

Area = pi*212

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