Surface area of a sphere is given by the formula: Surface Area of sphere = 4πr2 where r is the radius of the sphere. Example: Calculate the surface area of a sphere with radius 3.2 cm Solution: Surface area of
Example 5: surface area of a sphere given the diameter – in terms ofπ Find the surface area of a sphere with the diameter of20 \; cm.Leave your answer in terms of\pi. Write down the formula for the surface area of a sphere. Substitute the given values into the formula. Complete t...
The space occupied by a solid sphere is called the volume of the sphere. Learn how to deduce its formula and determine the volume of the sphere using examples.
To find the surface area of a sphere, use the formula: Surface area of a sphere with radius of r. To calculate the surface area of a sphere, use the formula and follow these steps: Calculate the square of the radius, r, by multiplying it by itself. Multiply the radius squared by 4...
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 surface area. Answers 1. The surface area formula is given by ...
The diameter of a sphere is always just double the radius. Circumference of the sphere: C=2πr And The surface area of the Sphere: S=4πr2 Answer and Explanation:1 Given: The circumference of the sphere is $$\begin{align} C & = 50\[0.2 cm] ...
The radius {eq}r {/eq} of the given sphere is calculated by dividing its diameter by {eq}2 {/eq}. {eq}\begin{aligned} r&=\frac{4}{2}\,\text{cm} \\... Learn more about this topic: Volume & Surface Area of a Sphere | Formula & Examples ...
题目【题目】Find the surface area of a sphere with:diameter = 8000 kmGive all answers as exact answers (multiples of π) and also as approximations correct tothree significant figures. 相关知识点: 试题来源: 解析 【解析】▱ 反馈 收藏 ...
diameter of a sphere $2r$. Using the lateral surface area of a cylinder formula, we get: $$S=2\pi\times r\times H$$ Because $H=2r$, the surface area $S$ of a sphere with radius $r$ is fully determined by the following formula $$S = 4r^2\times \pi$$ where $\pi\approx...
To find the surface area of a sphere with a radius of 7 cm, we can follow these steps: Step 1: Identify the radiusGiven:- Radius (r) = 7 cm Step 2: Use the formula for the surface area of a sphereThe formula for the surface area (SA) of a sphere is:SA=4πr2 Step 3: Subs...