English writing of Mathematics -- Basic Chinese and English vocabulary (common vocabulary of geometry and trigonometry)

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One 、 Series articles

• English writing of Mathematics —— Basic Chinese and English vocabulary （ General terms 、 Common words of arithmetic and algebra ）
• English writing of Mathematics —— Basic Chinese and English vocabulary （ Common terms of geometry and trigonometry ）

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Two 、 Common terms of geometry and trigonometry -1

	Common terms of geometry and trigonometry -1		Common terms of geometry and trigonometry -1
acute(obtuse) angle	sharp ( blunt ) horn	adjacent	Adjacent edge
adjacent angle	Adjacency angle	affine geometry	Affine geometry
alternate angle	Inside out	alternate exterior angle	External staggered angle
altitude	high	amplitude	The amplitude
angle	horn 、 angle	arc length	Arc length
area	area	argument	Breadth
ball	sphere	bisector	Bisector
center	center	center distance	Center distance
central angle	Center angle	centroid	Centroid 、 centroid
chart	chart	chord	string
circle	round	circular cone	Cone
circular cylinder	Cylinder	circular cylindrical surface	Cylindrical surface
circular ring	ring	circular sector	Circular sector
circumferential angle	Circumference angle	circumference	Perimeter
collinear	Collinear	compass	compasses
complementary angle	The rest of the corner	concentric circles	Concentric circles
concyclic	Totally circular	congruence	Congruence
congruence triangle	Congruent triangle	conic curve	Conic curve
corresponding angle	corresponding angles	cosecant	Cosecant
cotangent	Cotangent	curve	curve
cyclic polygon	Inscribed polygon	decagon	Decagons
Descartes’ folium	Cartesian leaf line	descriptive geometry	descriptive geometry
diagonal	Diagonals	diagram	chart 、 Chart
diameter	The diameter of	dihedral angle	Dihedral
directrix	Alignment	disc	The disk
distance	distance	dodecagon	Dodecagons
double angle formula	Double angle formula	double oval	Double egg line
eccentricity	Eccentricity	ellipse	The ellipse
elliptic orbit	Elliptical orbit	ellipsoid	ellipsoid
equilateral triangle	Equilateral triangle	Euclidean axiom	Euclid's principle
exterior angle	The outer corner	focal points	The focus of
focus	The focus of	frustum	Round table
frustum of pyramid	Prisms	generatrix	a bus or bus bar
helix	helical line	hemisphere	hemisphere
heptagon	Heptagonal	hexagon	hexagon
horizontal line	Level	hyperbola	hyperbola
hyperbolic geometry	Hyperbolic geometry	hyperbolic paraboloid	Hyperbolic paraboloid
hyperboloid	Hyperboloid	hypotenuse	hypotenuse
inclination angle	dip angle	included angle	Angle
internal bisector	The angular bisector	intersection point	Point of intersection

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