题目The formula for the lateral surface area of a cone is ___. A. LSA = πrh B. LSA = πr²h C. LSA = πrl D. LSA = 2πrh 相关知识点: 试题来源: 解析 C。中文解析:圆锥的侧面积公式是 LSA = πrl,其中 r 是底面半径,l 是斜高。反馈 收藏 ...
It is well known that all circular cones of the same base radius and same height have the same volume. But it appears to be less well known that they do not all have the same lateral surface area and the right circular cone has the least lateral surface area among them. In this note...
The formula for the lateral surface area of a cone is πrs, where r = radius and s = slant height. The formula for the lateral surface area of a rectangular box, also called a cuboid, is 2h(l + w), where l = length, w = width, and h = height. Practice Problems Joe is ...
Tutor 5.0(222) Electrical engineering major and music lover with MIT degree About this tutor › Ahmad, The lateral surface area is half the product of the cone's slant height and its circumference. The slant height is a right triangle with a height of 5, so if we set 5x/12=5, we ...
结果1 题目 The lateral surface are a of a cone is $$ \frac { 3 } { 5 } $$( of its total surface area. What is the ratio of the radius to the slant height of the cone? 相关知识点: 试题来源: 解析 2:32:3 反馈 收藏 ...
Surface Area:The total amount area that the surface of 3-D shape occupies is termed as the surface area. For example, the surface area of the cube can be determined by multiplying the number of faces by area of 1 face.Answer and Explanation: Given ...
The total surface area of the lateral side of the cone is calculated as per the below formula: S=πrl where S is the lateral surface area of the cone r is the radius of the base, and l is the slant height of the cone The total surface area of...
View Solution Find the ratio of the total surface area and lateral surface area of a cube. View Solution Lateral surface area (A) of a cone is A=πrl, make l as the subject View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class...
right circular cone就是直立圆锥,即顶点在底面的投影与底面圆的中心重合.说白点儿就是正的圆锥啦.结果一 题目 If a right circular cone has a lateral surface area of 6π and a slat height of 6,what is the radius?什么是 right circular cone? 答案 right circular cone就是直立圆锥,即顶点在底面...
Hence, the measures of the cone of volume V having minimal lateral surface area are: [MATH]h\left(\sqrt[3]{\frac{3V}{\sqrt{2}\pi}} \right)=\frac{3V}{\pi \left(\sqrt[3]{\frac{3V}{\sqrt{2}\pi}} \right)^2}=\sqrt[3]{\frac{6V}{\pi}}=\sqrt{2}r[/MATH] [M...