parallelogram
简明释义
英[ˌpærəˈleləɡræm]美[ˌpærəˈleləɡræm]
n. 平行四边形
复 数 p a r a l l e l o g r a m s
英英释义
单词用法
平行四边形法则 | |
菱形是一种特殊类型的平行四边形 | |
平行四边形的对边 | |
平行四边形的性质 |
同义词
反义词
三角形 | 一个三角形有三条边。 | ||
圆形 | 圆形是一种没有角的形状。 |
例句
1.Two same triangles can be combined into a parallelogram.
两个完全一样的三角形可以拼成一个平行四边形;
2.The parallelogram still has the same area, and it's still on the same plane.
这个平行四边形仍然有相同的面积,它仍然在同一个平面上。
3.What's the area of each parallelogram?
每个平行四边形的面积各是多少?
4.Here is a better picture. I claim that what will be going through C is this shaded parallelogram to the left of C.
这里有幅更好的图。我说经过C 的是 C左边的这个阴影平行四边形。
5.The area of every triangle equals the area of the parallelogram.
每个三角形的面积等于拼成的平行四边形面积的。
6.And, you see, it does look like a parallelogram.
你们也看到了,它的确看起来像一个平行四边形。
7.Its conformity follows the parallelogram principle.
其整合遵循平行四边形法则。
8.OK, so now what the area of this parallelogram?
那么现在这个平行四边形的面积是多少?
9.In art class, we created a design based on a parallelogram (平行四边形) shape.
在美术课上,我们创作了一个基于平行四边形形状的设计。
10.The floor plan of the room was designed in the shape of a parallelogram (平行四边形).
房间的平面图设计成了一个平行四边形的形状。
11.The opposite sides of a parallelogram (平行四边形) are always equal in length.
一个平行四边形的对边总是等长。
12.To calculate the area of a parallelogram (平行四边形), you can use the formula base times height.
要计算平行四边形的面积,你可以使用底乘以高的公式。
13.In geometry class, we learned that a rectangle is a special type of parallelogram (平行四边形).
在几何课上,我们了解到矩形是一种特殊的平行四边形。
作文
A parallelogram is a fascinating geometric shape that has intrigued mathematicians and students alike for centuries. By definition, a parallelogram (平行四边形) is a four-sided figure, or quadrilateral, where opposite sides are both equal in length and parallel to each other. This unique property sets the parallelogram apart from other quadrilaterals, such as rectangles and trapezoids. Understanding the characteristics of a parallelogram is essential not only in geometry but also in various real-world applications, including architecture and engineering.One of the most important properties of a parallelogram is that its opposite angles are equal. This means if one angle measures 60 degrees, the angle directly across from it will also measure 60 degrees. Additionally, the consecutive angles of a parallelogram are supplementary, meaning they add up to 180 degrees. These properties can be very useful when solving problems related to angles in geometry.Another interesting aspect of a parallelogram is its area calculation. The area of a parallelogram can be found using the formula: Area = base × height. The base refers to the length of one of its sides, while the height is the perpendicular distance from this base to the opposite side. This formula is similar to that of a rectangle, which makes it easier for students to remember and apply.In addition to the standard parallelogram, there are special types of parallelograms worth mentioning. For instance, a rectangle is a type of parallelogram where all angles are right angles. Similarly, a rhombus is another special case where all four sides are of equal length. Each of these shapes retains the fundamental properties of a parallelogram while introducing their unique characteristics.The concept of a parallelogram can be found in various fields outside of mathematics. For example, in architecture, many buildings utilize parallelogram-shaped designs for aesthetic appeal and structural integrity. The stability provided by the parallel sides allows architects to create visually stunning structures that can withstand various environmental forces.Furthermore, in physics, the parallelogram law of vector addition is a crucial concept. This law states that if two vectors are represented as two adjacent sides of a parallelogram, then the resultant vector can be represented by the diagonal of the parallelogram. This principle is fundamental in understanding forces and motion in physical systems.In conclusion, the parallelogram (平行四边形) is more than just a simple geometric shape; it is a cornerstone of many mathematical principles and practical applications. Its properties, such as equal opposite sides and angles, make it a versatile figure that can be utilized in various disciplines. Whether in the classroom, the field of architecture, or the realm of physics, the parallelogram continues to play a vital role in our understanding of the world around us. Mastering the concept of a parallelogram is an essential step in developing a deeper appreciation for geometry and its applications in everyday life.