1. Determine the surface area of a sphere with a radius of 7 units. 2. What is its radius if a sphere’s surface area is 144π square units? 3. Find the sphere’s surface area with a diameter of 10 units. 4. A spherical balloon has a radius of 5 cm. Find the surface area of...
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...
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
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 ...
(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...
1. Find the surface area of a sphere having a radius of 2 cm. 2. Find the diameter of a sphere whose surface area is 24 m^2. 3. Given that a sphere has a radius of 20 inches. If the radius is increased by 2 inches, use calculus to find the approximate increase in...
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 ...
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...
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 ...