According to the square base for the living area of the drilling ship, steel structure materials are saved, construction is simplified, welding is reduced, and manpower is saved; and moreover, by the base in such a form, the living area is completely separated from the structure of a ship...
The area of a square is 36 square meters. A triangle with the same base and height as the square has an area of: A. 18 square meters B. 36 square meters C. 72 square meters D. 9 square meters 相关知识点: 试题来源: 解析 A。本题考查正方形和三角形面积的关系。正方形面积为 36 ...
A. The area of square ABCD is 196, and the areas of △ABE and △CDE are 105 and 91, respectively. What is the volume of the pyramid?( ) B. 392 C. 196√6 D. 392√2 E. 392√3 F. 784. 相关知识点: 试题来源: 解析 E. N/A.. 反馈...
We are given a square base that has an area of 144 ft2. Let s be the side length. The area of a square of side s is s2 . Thus we have s2 = 144. Since 144 is just 122, then s = 12 ft. We are asked for the perimeter of the square base. The perimeter...
解析 E N/A. 结果一 题目 【题目】A pyramid has a square base ABCDand vertex E. T he area of square ABCD is 196, and the areas of △ABE and △CDE are 105 and 91, respectively. What is the volume of the pyramid?()A.392B. 196√6C 392√2D. 392√3E.784 答案 【解析】E相关...
What is a prism: A prism is a polyhedron with two polygonal bases parallel to each other. Here the prism has square base , hence we will use the formula to find the surface area of prism as mentioned below: Area of rectangular prism = {eq}\begin{align...
A. 72 square centimeters B. 36 square centimeters C. 24 square centimeters D. 18 square centimeters 相关知识点: 试题来源: 解析 B。三角形面积为底乘以高除以 2,9 乘以 8 除以 2 等于 36 平方厘米。选项 A 是底乘高的结果;选项 C 和 D 计算错误。反馈...
Square Bases Cubes and square pyramids have bases that are square-shaped. The area of a square is equal to the length of one of its sides multiplied by itself, or squared. The formula is **A = s2. For example, to find the area of a base of a cube with 5-inch sides:A = 5 inc...
The surface area of a cone can be derived from thesurface area of a square pyramid. Start with a square pyramid and just keep increasing the number of sides of the base. After a very large number of sides, you can see that the figure will eventually look like a cone.This is shown be...
The area of a parallelogram is 80 square feet. If the base is 10 feet, what is the height? A. 6 feet B. 8 feet C. 10 feet D. 12 feet 相关知识点: 试题来源: 解析 B。平行四边形面积=底×高,高=面积÷底,即 80÷10 = 8 英尺。易错题在于混淆平行四边形面积公式。