3.收敛的平面图形、除三角形外
semicircle 半圆 concentric circles 同心圆 quadrilateral 四边形pentagon 五边形hexagon 六边形 heptagon 七边形 octagon 八边形nonagon 九边形 decagon 十边形 polygon 多边形 parallelogram 平行四边形 equilateral 等边形 plane 平面 square 正方形，平方 rectangle长方形 regular polygon 正多边形 rhombus 菱形 trapezoid 梯形
上一篇： 名师推荐：GMAT数学必备词汇大全(角)
下一篇： GMAT数学备考指导：数据充分性问题
国际英语资讯:Feature: Teen boy evinces bravery as father bleeding in Minya anti-Copt attack
单亲妈妈把脑瘫儿子送进北大 如今又上哈佛
"Be a chicken"是什么意思？
国内英语资讯:Xi urges BRICS Business Council, New Development Bank to make greater contributions
'Car boot sale' diamond set to fetch £350,000 at auction 旧货市场淘来的钻石拍卖价可能达35万英镑
川普女婿库什纳成“通俄”调查重点
国际英语资讯:Pentagon plans first test of ICBM intercept: U.S. media
国际英语资讯:Roadside bomb kills 10 civilians in W. Afghanistan: local media
国际英语资讯:Trump asks Supreme Court to block New York subpoena for his tax returns
体坛英语资讯：China, Singapore claim wins in world university dragon boat invitational race
体坛英语资讯：History as Kipchoge becomes first human to run marathon under 2 hours
国内英语资讯:China lifts restrictions on U.S. poultry imports
国际英语资讯:Lebanese political parties agree on naming new PM
国内英语资讯:Chinese premier stresses steady economic development, peoples livelihood
Depression study, air traffic control 抑郁症研究、英国首个远程空中交通管制系统
国内英语资讯:Xi urges BRICS countries to champion multilateralism
国内英语资讯:Chinas peaceful development benefits all countries in economy, security: Singaporean DM
扎克伯格辍学12年后终获哈佛学位
国际英语资讯:Spotlight: Egyptian forces hit terror camps in Libya in response to Minya shooting attack
体坛英语资讯：China claims silver and bronze on balance beam at Gymnastics Worlds
国际英语资讯:Algerias presidential election campaign to start on Sunday
Ex、former 和 previous 三个单词的区别
体坛英语资讯：New Zealand Rugby Team wins Princess of Asturias Award for Sport
美文赏析:艰难，才是生活的常态
国内英语资讯:China commemorates 20th anniversary of implementing HKSAR Basic Law
印度女子在婚礼上持枪绑走前男友
国际英语资讯:Argentine president-elect offers Bolivias Evo Morales asylum
体坛英语资讯：Kenyas Kipchoge becomes first person to run marathon in under 2 hours
国内英语资讯:SCO development faces new opportunities, challenges: Chinese FM
国际英语资讯:Protestors clash with Italian police in anti-G7 rally in Taormina