A cylinder has a radius of 4 cm and a height of 10 cm. What's the volume? A. 160π cm³ B. 80π cm³ C. 40π cm³ D. 120π cm³ 相关知识点: 试题来源: 解析 A。解析:圆柱体积等于底面积乘以高,底面积是π乘以半径的平方,即 16π平方厘米,体积为 16π×10=160π立方...
A cylinder has a radius of 4 cm and a height of 10 cm. What's the volume of the cylinder? A. 160π cm³ B. 120π cm³ C. 80π cm³ D. 16π cm³ 相关知识点: 试题来源: 解析 A。本题考查圆柱体体积的计算。圆柱体体积等于底面积乘以高,底面积是πr²,所以体积是π...
A cylinder has a radius of 3 cm and a height of 10 cm. What is the volume of the cylinder? (Use π≈ 3.14) A. 282.6 cubic cm B. 188.4 cubic cm C. 94.2 cubic cm D. 28.26 cubic cm 相关知识点: 试题来源: 解析 A。此题考查圆柱体体积计算。圆柱体体积 = π×半径²×高,...
百度试题 结果1 题目 A cylinder of diameter 25 mm has volume 7854 mm'.Find the volume of the empty space between the cylinder and the cuboid to the nearest mm' 相关知识点: 试题来源: 解析 2146mm 反馈 收藏
What is the area of its base? A. 9π square centimeters B. 18π square centimeters C. 27π square centimeters D. 36π square centimeters 相关知识点: 试题来源: 解析 A。体积为 90π 立方厘米,高 10 厘米,底面积 = 90π÷10 = 9π 平方厘米。反馈 收藏 ...
The volume of this cylinder is432π(cm^3) and the surface area isA(cm^2).a Expressh in terms ofr.b Show thatA=2πr^2 (864π)/r.c Find the value forr for which there is a stationary value ofA.d Determine the magnitude and nature of this stationary value....
Volume of a Cylinder Example 1 Find the volume of the cylinder below to 1 decimal place. The formula for the volume of a cylinder is: V=πr2h If we substitute the values of the radius and height into this equation, we get: V=π⋅42⋅6=π⋅16⋅6=96π This gives us a...
Problem #4: A piston-cylinder has a volume of1ft3and contains a substance initially at50°Fand1atm. A process occurs such that the final conditions are300°Fand10atm. Assume that the pressure is a linear function volume for the...
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A cylinder has a radius of 2.5cm. The volume of the cylinder, in cm3,is 4.5cm 3,is 4.5π 2.5cmheight-2.5cm height ↑ What is the height of the cylinder? Show your working. ___cm 相关知识点: 试题来源: 解析 0.72 or Shows or implies a correct...