ACT 数学与评估 - Geometry
在这里你将学习一些与几何相关的英语单词,例如“tangent”、“vertex”、“ellipse”等,这将帮助你在ACT考试中取得好成绩。
审查
闪卡
拼写
测验
the measure of how steep a line is, found by dividing the change in height by the change in horizontal distance
斜率, 坡度
a unit for measuring angles, defined by the angle made when the radius of a circle is laid along its edge
弧度, 角度测量单位
the length of a straight line drawn from the center of a circle to any point on its outer boundary
半径
a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side
直径
(geometry) the length of the external boundary of a curved shape, especially a circle
周长
the amount of space that a substance or object takes or the amount of space inside an object
体积, 容量
the space between two lines or surfaces that are joined, measured in degrees or radians
角度
one of a pair of opposite angles made by two intersecting lines, which are always equal
垂直角, 对顶角
an angle formed between two sides of a polygon that lies inside the shape
内角, 内部角
an angle that measures between 0 and 90 degrees, which is less than a right angle (90 degrees)
锐角, 尖角
pairs of angles that share a common side and vertex in a polygon or between intersecting lines
相邻角, 连续角
(geometry) any flat shape with four straight sides, the opposite sides of which are equal and parallel to each other
平行四边形
characterized by or resembling a tetrahedron, which has four triangular faces
四面体的
(geometry) a flat shape with four equal sides in which opposite angles are equal
菱形, 平行四边形
a geometric curve formed by the intersection of a plane with two cones, resulting in two symmetrical branches
双曲线
(geometry) a symmetrical open curve that is similar to the path of an object thrown into the air passes till it falls back to earth
抛物线
a flat geometric shape consisting of three straight sides and one right angle
直角三角形, 具有直角的三角形
a triangle in which all three interior angles are less than 90 degrees
锐角三角形, 钝角三角形
a type of triangle that has all three sides of different lengths
不等边三角形, 不规则三角形
the longest side of a right-angled triangle, opposite the right angle, and defined as the side opposite the right angle in a right-angled triangle
斜边
a three-dimensional geometric shape with two parallel circular bases connected by a curved surface at a right angle to the bases
直圆柱
a three-dimensional geometric shape that has a rectangular base and four triangular faces that meet at a single point called the apex
矩形金字塔, 有矩形底面的金字塔
(geometry) a lack of symmetry or equivalence in shape or size between the two sides or parts of something
不对称
a point where two or more lines, edges, or rays meet to form an angle, or the point at which the sides of a polygon intersect
顶点, 角点
(geometry) a straight line that joins the opposite corners of a flat shape at an angle
对角线
the side of a geometric shape, usually the one considered as the bottom, from which the height is measured
底边, 基底
(mathematics) any of the pair of geometric figures such as lines or planes which do not meet or intersect
平行线
a series of numbers in which each term after the first is found by multiplying the previous term by a fixed, non-zero number
几何级数
a straight line that a curve approaches indefinitely but never intersects, characterizing the limiting behavior of the curve
渐近线
a straight line that touches a curve or surface at exactly one point, known as the point of tangency
切线
(geometry) to move a shape or figure from one position to another without rotating, resizing, or otherwise altering its shape
平移, 搬移