几何分类词汇表.docx

几何分类词汇表 Assorted Vocabulary List for Geometry—几何分类词汇表Construction Tools—画图工具 Ruler (= Straightedge)—直尺 Compass—圆规 Pencil—铅笔 Triangle—三角尺 Protractor—量角器 Basics—基本 Point—点 Vertex—顶点 Line—直线 Line Segment—线段 Ray—射线 Length—长 Width—宽 Base—底 Height—高 Leg—腰 Base Area—底面积 Diagonal—对角线 Side—边 Angles—角 Acute Angle—锐角 Right Angle—直角 Obtuse Angle—钝角 Straight Angle—平角 Round Angle—周角Complementary Angle—余角Supplementary Angle—补角Consecutive Angles—连续角Corresponding Angles—同位角Alternate Interior Angles—内错角Alternate Exterior Angles—外错角Vertical Angles—对顶角 2-D Shapes—二维图形 Triangle—三角形 ?Scalene Triangle—不等边三角形 ?Isosceles Triangle—等腰三角形 ?Equilateral Triangle—等边三角形?Acute Triangle—锐角三角形 ?Right Triangle—直角三角形 ?Obtuse Triangle—钝角三角形Quadrilateral—四边形 ?Parallelogram—平行四边形 ?Square—正方形 ?Rectangle—长方形 ?Rhombus—菱形 ?Trapezoid—梯形 ?Kite—风筝形 Pentagon—五边形 Hexagon—六边形 Heptagon—七边形 Octagon—八边形 Nonagon—九边形 Decagon—十边形 Dodecagon—十二边形 Circle—圆 Ellipse—椭圆 Descriptions of Shapes—形容图形 Convex—凹的 Concave—凸的 Similar—相似 ?Scale Factor—比例因子 Congruent—全等 Equiangular—等角 Equilateral—等边 Regular (Polygon)—正（多边形）Symmetric—对称 ?Line Symmetric—线对称 ?Rotational Symmetric—旋转对称 Special Segments of Triangles—三角形的特殊线段Perpendicular Bisector—垂直平分线 Angle Bisector—角的平分线 Median—中线 Altitude (= Height)—高 Parts of a Circle—圆的部分Arc—圆弧 Intercepted Arc—截弧Inscribed Angle—内接角Center—中心、圆心Diameter—直径Radius—半径 Chord—弦 Secant—割线Tangent—切线 Solids—固体 Prism—角柱体Rectangular Prism—长方体Cube—正方体Pyramid—椎体Cylinder—圆柱体Cone—圆锥 Sphere—球 North (N)—北 South (S)—南 East (E)—东 West (W)—西Northeast (NE)—东北Northwest (NW)—西北Southeast (SE)—东南Southwest (SW)—西南Left—左 Right—右 Top—顶 Bottom—底Upper—上Lower—下 Upper Left—左上Upper Right—右上Lower Left—左下Lower Right—右下On—在…上面Under—在…下面 Adjacent—相邻的 Opposite—相对的 Circumscribed (about)—外切 Circumcircle (= Circumscribed Circle)—外接圆Inscribed (inside)—内切 Incircle (= Inscribed Circle)—内切圆Tangent—相切 Intersect—相交 Parallel—平行 Perpendicular—垂直 Collinear—共线 Coplanar—共平面 Concentric—共中心的 Bisect—对分 Bisector—对分线 Trisect—三分 Trisector—三分线 Calculations—计算 Measure—测量 Length—长度 Side-Length (of a polygon)—（多边形的）边长Perimeter—周长 ?Circumference—圆周 Area—面积 Volume—体积 Transformation—转换Reflection—反射 Rotation—旋转 Translation—平移 Dilation—膨胀 Glide Reflection—滑行反射 Trigonometry—三角函数 Sine (sin)—正弦 Cosine (cos)—余弦 Tangent (tan)—正切 Cosecant (csc)—余割 Secant (sec)—正割 Cotangent (cot)—余切 Reference Angle—参考角 Coordinate Plane—坐标 Axis—轴 Quadrant—象限 Lattice Point—点阵点 Ordered Pair (x, y)—有序偶Ordered Triple (x, y, z)—有序三元组Slope (of a line)—（线的）斜率Intercept—截距 Common Theorems—常用定理Pythagorean Theorem—勾股定理 Law of Sines—正弦定理 Law of Cosines—余弦定理 Herons Formula—海伦公式 Ptolemys Theorem—托勒密定理 圆的内接凸四边形两对对边乘积的和等于两条对角线的乘积。