Determine the surface area of a sphere with a radius of 5 units. Solution Substitute r = 5 into the formula: SA = 4π(5)² = 4π(25) =100π square units. Example 2 Suppose we have a sphere with a radius of 3 units, find its surface area. Solution Using the formula, SA = 4...
Area of Sphere. Learn the area and the volume of a sphere at BYJU'S. The definition, formula for area and volume, formula derivation, examples are provided here with detailed explanation.
(2) If another sphere has a radius of 9 cm, the surface area of the sphere is , the volume of the sphere is .相关知识点: 试题来源: 解析 100πcm2; 5003πcm3. 324πcm2; 972πcm3. Surface area :4π×52=100πcm2; Volume :43×π×53=5003πcm3. Surface area :4π×92=32...
2) Calculate the surface area of a cone where the radius of its base is 14 cm and the slanting height is 7 cm. Area =cm2 3) Calculate the surface area of a sphere whose radius is 7 cm. Area =cm2 4) Calculate the surface area of a hemisphere whose radius is 5 cm. ...
Surface area of a sphere is defined as the total area covered its outer surface. A sphere has surface area equal to 4 π r2 square units. Learn easy and best methods to calculate the surface area of spherical objects at BYJU’S
Therefore, the volume of the sphere is 2(1/3 *pi* r squared*2r.) Multiplying the constants in this expression results in 4/3. What is the radius of a sphere? The sphere is a three-dimensional figure with a fixed point called the center. The radius of the sphere is the distance ...
cm . What is the surface area of the sphere ? What is the volume of the sphere ? 相关知识点: 试题来源: 解析 144π;288π. Surface area :4π×62=144π; Volume :43×π×63=288π.结果一 题目 The radius of a sphere is 6 cm . What is the surface area of the sphere ? What ...
The radius of a sphere is the distance between the surface and the center of the sphere. While one endpoint of radius is on the surface, the other lies at the center of that sphere. Read on to know the exact definition of the surface area of a sphere, along with the derivation of ...
Now, in order to find the expression for the surface area of the sphere, the area of each circular strip with radius r has to be found, and then integration has to be performed over the entire sphere with respect to r. To make the integration simpler, the variable r can be...
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