Answer to: Show how to find the surface area of a sphere with a radius of 8 cm. By signing up, you'll get thousands of step-by-step solutions to...
No, the surface area of a sphere cannot be negative. The radius of a sphere is always positive, and since the formula for the surface area involves squaring the radius, the result is always positive. What does the π in the formula for the surface area of a sphere represent? The π is...
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.
How to derive the formula of the surface area of the sphere To derive the formula of the surface area of a sphere, we imagine a sphere with many pyramids inside of it until the base of all the pyramids cover the entire surface area of the sphere. In the figure below, only one of su...
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 ...
(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...
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百度试题 结果1 题目The radius of a sphere is 4. What is the surface area of the sphere?( ) A.64π B.48π C.36π D.32π 相关知识点: 试题来源: 解析 A 反馈 收藏