AMC字母顺序排列的单词.doc

AMC常用单词二(anti)clockwise(逆)顺时针方向(least)commondenominator(最小)公分母(least)commonmultiple(最小)公倍数(prime)factor(质)因子Aabscissa横坐标absolutevalue绝对值，e.g.-32=32acuteangle锐角add，plus加adjacentangle邻角algebraicterm代数项alternateangle内错角altitude高anglebisector角平分线approximate近似arc弧arithmeticmean算术平均值arithmeticprogression(sequence)等差数列arm直角三角形的股Bbase乘幂的底数,底边base底边，底数(e.g.2的5次方，2就是底数)bisect平分Ccardinal基数centerofacircle圆心Centigrade摄氏centralangle圆心角cent美分chord弦circularcylinder圆柱体circumference,perimeter周长circumscribe外切combination组合commondivisor公约数commonfactor公因子commonlogarithm常用对数commonratio公比complementaryangle余角complementaryfunction余函数complexfraction繁分数complexplane复平面compositenumber合数e.g.4,6,8,9,10,12,14,15concentriccircles同心圆cone圆锥congruent全等的consecutivenumber连续整数constant常数coordinatesystem坐标系correspondingangle同位角crosssection横截面cuberoot立方根cube立方数，立方体cube立方体，立方数cubicmeter立方米Ddecagon十边形decimalfraction纯小数denominator分母depth深度diagonal对角线diameter直径difference差digit数字dime一角硬币directproportion正比distinct不同的dividedevenly被整除dividend被除数divide除divisible可被整除的divisor因子，除数dozen打(12个)Eedge棱endpoint端点equilateraltriangle等边三角形equilateral等边形equivalentequation同解方程等价方程estimation估计，近似eveninteger,evennumber偶数exponent指数，幂exteriorangle外角Ffaceofasolid立体的面factorial阶乘factorization因式分解Fahrenheit华氏foot英尺Ggallon加仑(1gallon=4quart)geometricmean几何平均数geometricprogression(sequence)等比数列Hheptagon七边形hexagon六边形hypotenuse斜边Iimproperfraction假分数inch英寸includedangle夹角includedside夹边inequality不等式infinitedecimal无穷小数inscribedtriangle内接三角形inscribe内切integer,wholenumber整数intercept截距interiorangle内角intersect相交inversefunction反函数inverse倒数irrational(number)无理数isoscelestriangle等腰三角形Lleg三角形的直角边liketerms,similarterms同类项line,straightline直线linearequation线性方程(e.g.5x+6=22)linear一次的，线性的linesegment线段literalcoefficient字母系数Mmultiple倍数multiply,times乘medianofatriangle三角形的中线median中数meter米micron微米midpoint中点minute分(角度的度量单位，60分=1度)mixednumber带分数mode众数multilateral多边的Nnaturalnumber自然数negativenumber负数negativewholenumber负整数nickel5美分硬币nonagon九边形nonnegative非负的numberline数轴numerator分子numericalcoefficient数字系数Ooblique斜三角形obtuseangle钝角octagon八边形oddinteger,oddnumber奇数opposite直角三角形中的对边ordinal序数ordinaryscale,decimalscale十进制ordinate纵坐标originalequation原方程origin原点Pparallellines平行线parallelogram平行四边形parentheses括号penny一美分硬币pentagon五边形permutation排列perpendicular垂直pint品脱(干量或液量的单位planegeometry平面几何plane平面polygon多边形positivenumber正数positivewholenumber正整数power乘方primenumber质数e.g.2,3,5,7,11,13,15product积properfraction真分数propersubset真子集proportion比例pythagoreantheorem勾股定理Qquadrant象限quadrilateral四边形quarter四分之一quart夸脱quotient商Rradian弧度radicalsign,rootsign根号radius半径range值域realnumber,rationalnumber实数,有理数reciprocal倒数rectangle长方形rectangularcoordinate直角坐标系rectangularsolid长方体recurringdecimal循环小数regularpolygon正多边形regularsolid/regularpolyhedron正多面体remainder余数rhombus菱形rightangle直角righttriangle直角三角形roundangle周角roundoff四舍五入roundto四舍五入Sscalenetriangle不等边三角形score廿(20个)segmentofacircle弧形semicircle半圆side边长simplefraction简分数slope斜率solid立体的solutionset解集sphere球体squaremeasure平方单位制squareroot平方根square正方形，平方straightangle平角subtract减supplementaryangles补角surfacearea表面积Ttable表格tangent切线的tens十位tenthsunit十分位tothenearest四舍五入transversal截线trapezoid梯形triangleinequality三角不等式trigonometricf