Geometry
ACT Math and Assessment / Geometry
53 Words
27m
倾斜, 有坡度
The mountain road sloped steeply upward, making it challenging for the cyclists to ascend.
山路陡峭地向上倾斜,使得骑自行车的人难以攀登。
查看完整含义弧度, 测量角度的单位,定义为圆的半径沿其边缘放置时所形成的角度
An angle of 1 radian means the arc length is the same as the radius of the circle.
1 弧度的角度意味着弧长与圆的半径相同。
查看完整含义半径, 半直径
The radius of a circle is half the length of its diameter, extending from the center to any point on the circumference.
圆的半径是直径长度的一半,从圆心延伸到圆周上的任意一点。
查看完整含义直径, 直径
The diameter of a circle is the longest distance between any two points on its circumference, passing through the center.
圆的直径是通过圆心并且圆周上任意两点间的最长距离。
查看完整含义周长
The geometry student calculated the perimeter of the rectangular garden to determine how much fencing would be needed.
几何学生计算了矩形花园的周长,以确定需要多少围栏。
查看完整含义周长, 圆周
The athlete completed a lap around the track, covering the entire circumference in record time.
运动员完成了跑道的一圈,以创纪录的时间覆盖了整个周长。
查看完整含义角度, 角度 (测量)
She used a protractor to measure the angle of the triangle accurately.
她用了一个量角器来准确测量三角形的角度。
查看完整含义直角, 90度角
To construct a square, each corner must form a perfect right angle.
要构造一个正方形,每个角必须形成一个完美的直角。
查看完整含义连续角, 邻角
In a parallelogram, consecutive angles are supplementary, meaning their measures add up to 180 degrees.
在平行四边形中,连续角是互补的,这意味着它们的度数加起来是180度。
查看完整含义迟钝的, 理解缓慢的
Despite the clear explanation, he remained obtuse and failed to grasp the concept.
尽管解释得很清楚,他还是迟钝,没能理解这个概念。
查看完整含义量角器, 分度规
The teacher used a protractor to show how to measure angles in the geometry lesson.
老师在几何课上用量角器演示如何测量角度。
查看完整含义垂直的, 成直角
In technical drawings, architects ensure walls are precisely perpendicular to allow for square structures.
在技术图纸中,建筑师确保墙壁精确垂直,以允许方形结构。
查看完整含义多边形, 由三条或更多直线边组成的平面形状
A triangle is the simplest type of polygon with three sides.
三角形是具有三条边的最简单的多边形类型。
查看完整含义四面体的, 四面体形状的
The chemist explained that a methane molecule has a tetrahedral geometry, with the carbon atom at the center.
化学家解释说,甲烷分子具有四面体几何结构,碳原子位于中心。
查看完整含义梯形, 不规则四边形
查看完整含义五边形, 五角形
The flag of the city had a pentagon in the center, symbolizing the five founders.
城市的旗帜中央有一个五边形,象征着五位创始人。
查看完整含义本轮, 次级圆形轨道
In his astronomical work the Almagest, Ptolemy used a system of deferents and epicycles to explain the observed motions of planets across the night sky.
在他的天文著作《天文学大成》中,托勒密使用了均轮和本轮的系统来解释夜空中观测到的行星运动。
查看完整含义双曲线, 双曲线曲线
The hyperbola is a conic section formed by intersecting a plane with two cones on opposite sides of the plane.
双曲线是通过平面与两个圆锥在平面相对两侧相交形成的圆锥截面。
查看完整含义直角三角形, 有一个直角的三角形
查看完整含义锐角三角形, 锐三角形
In an acute triangle, each angle measures less than 90 degrees.
在锐角三角形中,每个角的度数都小于90度。
查看完整含义斜边, 直角三角形中最长的边,与直角相对
In a right-angled triangle with legs of length 3 and 4 units, the hypotenuse can be calculated using the Pythagorean theorem as √(3² + 4²)= 5.
在一个直角边长度为3和4个单位的直角三角形中,斜边可以用勾股定理计算为√(3² + 4²) = 5。
查看完整含义直圆柱, 圆形底面的直角圆柱
To find the surface area of a right circular cylinder, you need to account for both the lateral surface area and the area of the two bases.
要找到直圆柱的表面积,您需要考虑侧表面积和两个底面的面积。
查看完整含义矩形金字塔, 底面为矩形的金字塔
In the art project, students created models of rectangular pyramids using cardboard for the base and sides.
在艺术项目中,学生们用纸板制作了矩形金字塔的模型,用于底座和侧面。
查看完整含义顶点, 顶点
In a triangle, each of its three corners is a vertex where two sides meet.
在三角形中,它的三个角中的每一个都是一个顶点,两条边在此相交。
查看完整含义对角线的
The diagonal line on the graph represented the trend of increasing sales over time.
图表上的对角线代表了销售额随时间增长的趋势。
查看完整含义全等, 一致的
If you fold the paper along the crease, the two halves are congruent.
如果你沿着折痕折叠纸张,两半是全等的。
查看完整含义平行的, 等距的
The two lines on the graph are parallel, indicating no change in their relationship.
图表上的两条线是平行的,表明它们的关系没有变化。
查看完整含义对称线, 对称轴
A circle has an infinite number of lines of symmetry because it can be divided into two equal halves along any diameter.
一个圆有无限数量的对称线,因为它可以沿着任何直径被分成两个相等的部分。
查看完整含义几何级数, 等比数列
The geometric series 2, 4, 8, 16, ... has a common ratio of 2.
几何级数 2, 4, 8, 16, ... 的公比为2。
查看完整含义表面积, 表面
To find the surface area of a cube, you calculate the area of one face and multiply it by six.
要找到立方体的表面积,你计算一个面的面积然后乘以六。
查看完整含义横向的, 相交的
In geometry, a transversal line can create various angles with the lines it intersects.
在几何学中,横贯线可以与它相交的线形成各种角度。
查看完整含义渐近线, 渐近线
The hyperbola has asymptotes that represent the lines the curve approaches but never crosses.
双曲线有渐近线,代表曲线接近但永不跨越的线。
查看完整含义切线, 切線
In geometry class, we learned how to draw a tangent to a circle, ensuring it only touched the circle at a single point.
在几何课上,我们学习了如何画一个圆的切线,确保它只在一点接触圆。
查看完整含义翻译
She can effortlessly translate English texts into Spanish, showcasing her proficiency in both languages.
她可以轻松地将英文文本翻译成西班牙文,展示了她对两种语言的精通。
查看完整含义