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...
Total surface area of tube =cm2 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 ...
Given the radius, the total curved surface area of a sphere can be found by using the following formula: S.A. = 4πr2 pi or π is a special mathematical constant, and it is approximately equal to 22/7 or 3.14. If r or the radius of the sphere is known, the surface area is four...
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
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.
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...
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 ...
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...
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...