The formula for the lateral surface area of a cylinder is ___. A. πrh B. 2πrh C. πr²h D. 2πr² 相关知识点: 试题来源: 解析 B。解析:圆柱体侧面积公式为 2πrh。A 选项只是底面积乘以高的一半,不是侧面积公式;C 选项是体积公式;D 选项是底面积的两倍。反馈 收藏 ...
, where r is the radius and h is the height of the cylinder. If the surface area is 40π square feet and the radius measures 4 feet, what is the height of the cylinder? Show your work. 相关知识点: 试题来源: 解析 1ft 1ft
In the derivation of the formula for the surface area of a cylinder, we need to consider ___. A. the top and bottom circles and the curved surface B. only the top circle C. only the curved surface D. only the bottom circle 相关...
Formula Volume of a Cylinder This page examines the properties of a rightcircular cylinder. Acylinderhas a radius (r) and a height (h) (see picture below). This shape is similar to a soda can. Each cylinder has a radius and height as you can see in the diagram below....
a the length of a side onlyb the height onlly3The surface area S of a cylinder is given by the formula S=2πrh+2πr方.The height h of the cylinder shown at the right is 5 more than 3 times its radius r.a write a formula for the surface area of the cylinder in terms of its...
To understand the formula for the surface area of a cylinder, think of a can of vegetables. It has three surfaces: the top, the bottom, and the piece that forms the sides of the can. If you carefully cut the label off the side of the can and unroll it, you will see that ...
This rectangle is what the cylinder would look like if we 'unraveled' it. Below is a picture of the general formula for area. Practice Problems on Area of a Cylinder Problem 1 What is the area of the cylinder with a radius of 2 and a height of 6? Show Answer Problem 2 What is...
The area A of a rectangle is given by the formula, A=lw , where l is the length and w is the width. What is a formula of cylinder? Solution. The formula for the volume of a cylinder is V=Bh or V=πr2h . The radius of the cylinder is 8 cm and the height is 15 cm. ...
Because the top and bottom of a cylinder are circles, you can use the formula for an area of a circle to find their area. The area of one of these circles is equal to the cylinder's radius, or r, squared and multiplied by pi. So:base area = pi x r^2. Pi is a constant with...
It is shown that the family of simple layer potentials solving the interior Neumann problem in a thin cylinder of height 2h, bordering a plane domain S0 with boundary l0, has the asymptotic form (5) in the compactum Q ⊂R3S̄0 as h→0.I.A....