1.角?
alternate angle內(nèi)錯(cuò)角?
corresponding angle同位角?
vertical angle對(duì)頂角?
central angle圓心角?
interior angle內(nèi)角?
exterior angle外角?
supplement aryangles補(bǔ)角?
complement aryangle余角?
adjacent angle鄰角?
acute angle銳角?
obtuse angle鈍角?
right angle直角?
round angle周角?
straight angle平角?
included angle夾角

2.三角形?

equilateral triangle等邊三角形?
scalene triangle不等邊三角形?
isosceles triangle等腰三角形?
right triangle直角三角形?
oblique斜三角形?
inscribed triangle內(nèi)接三角形

3.除三角形外的封閉平面圖形

semicircle半圓?
concentric circles同心圓?
quadrilateral四邊形?
pentagon五邊形?
hexagon六邊形?
heptagon七邊形?
octagon八邊形?
nonagon九邊形?
decagon十邊形?
polygon多邊形?
parallelogram平行四邊形?
equilateral等邊形?
plane平面?
square正方形，平方?
rectangle長(zhǎng)方形?
regular polygon正多邊形?
rhombus菱形?
trapezoid梯形

4.其它平面圖形

arc弧?
line,straight line直線?
line segment線段?
parallel lines平行線?
segment of a circle弧形

5.立體圖形?

cube立方體，立方數(shù)?
rectangular solid長(zhǎng)方體?
regular solid/regular polyhedron正多面體?
circular cylinder圓柱體?
cone圓錐?
sphere球體?
solid立體的

6.圖形參數(shù)

altitude高?
depth深度?
side邊長(zhǎng)?
circumference,perimeter周長(zhǎng)?
radian弧度?
surface area 表面積?
volume體積?
arm直角三角形的股?
cros ssection橫截面?
center of acircle圓心?
chord弦?
radius半徑?
angle bisector角平分線?
diagonal對(duì)角線?
diameter直徑?
edge棱?
face of a solid立體的面?
hypotenuse斜邊?
included side夾邊?
leg三角形的直角邊?
medianofatriangle三角形的中線?
base底邊?
opposite直角三角形中的對(duì)邊?
midpoint中點(diǎn)?
endpoint端點(diǎn)?
vertex(復(fù)數(shù)形式vertices)頂點(diǎn)?
tangent切線的?
transversal截線?
intercept截距

7.坐標(biāo)

coordinate system坐標(biāo)系?
rectangular coordinate直角坐標(biāo)系?
origin原點(diǎn)?
abscissa橫坐標(biāo)?
ordinate縱坐標(biāo)?
numberline數(shù)軸?
quadrant象限?
slope斜率?
complex plane復(fù)平面

8.其它?

plane geometry平面幾何?
trigonometry三角學(xué)?
bisect平分?
circumscribe外切?
inscribe內(nèi)切?
intersect相交?
perpendicular垂直?
pythagorean theorem勾股定理?
congruent全等的?
multilateral多邊的?