数学几何专业术语英语词汇

1、1、全部的角alternateangle内错角adjacentangle邻角correspondingangle同位角acuteangle锐角verticalangle对顶角obtuseangle钝角centralangle圆心角rightangle直角interiorangle内角roundangle周角exteriorangle外角straightangle平角supplementaryangles补角includedangle夹角complementaryangle余角2、全部的三角形equilateraltriangle等边三角形righttriangle直角三角形scalenetri

2、angle不等边三角形oblique斜三角形isoscelestriangle等腰三角形inscribedtriangle内接三角形3、相关收敛的平面图形，除三角形外:semicircle半圆decagon十边形concentriccircles齐心圆polygon多边形quadrilateral四边形parallelogram平行四边形pentagon五边形equilateral等边形hexagon六边形plane平面heptagon七边形square正方形，平方octagon八边形rectangle长方形nonagon九边形regularpolygon正多边形rhombus菱形trapez

3、oid梯形4、其余平面图形arc弧parallellines平行线line,straightline直线segmentofacircle弧形linesegment线段5、相关立体图形cube立方体，立方数circularcylinder圆柱体rectangularsolid长方体cone圆锥regularsolid/regularpolyhedronsphere球体正多面体solid立体的6、相关图形上的隶属物altitude高radius半径depth深度anglebisector角均分线side边长diagonal对角线circumference,perimeter周长diameter直径

4、radian弧度edge棱surfacearea表面积faceofasolid立体的面volume体积hypotenuse斜边arm直角三角形的股includedside夹边crosssection横截面leg三角形的直角边centerofacircle圆心medianofatriangle三角形的中线chord弦base底边，底数.2的5次方，2就是底数)opposite直角三角形中的对边tangent切线的midpoint中点transversal截线endpoint端点intercept截距vertex(复数形式vertices)极点7、相关坐标coordinatesystem坐标系nu

5、mberline数轴rectangularcoordinate直角坐标系quadrant象限origin原点slope斜率abscissa横坐标complexplane复平面ordinate纵坐标8、其余planegeometry平面几何intersect订交trigonometry三角学perpendicular垂直bisect均分pythagoreantheorem勾股定理circumscribe外切congruent全等的inscribe内切multilateral多边的二、其余1、单位类cent美分dozen打(12个)penny一美分硬币score廿(20个)nickel5美分硬币C

6、entigrade摄氏dime一角硬币Fahrenheit华氏quart夸脱gallon加仑(1gallon=4quart)yard码meter米micron微米inch英寸2、相关文字表达题，主假如相关商业intercalaryyear(leapyear)闰年(366天)commonyear平年(365天)depreciation折旧downpayment直接付款discount打折margin收益profit收益interest利息simpleinterest单利compoundedinterest复利dividend盈利foot英尺minute分(角度的胸怀单位，60分=1度)squaremeasure平方单位制cubicmeter立方米pint品脱(干量或液量的单位)decreaseto减少到decrea