KAMUS MAT ING B

8/6/2019 KAMUS MAT ING B

http://slidepdf.com/reader/full/kamus-mat-ing-b 1/15

UNIVERSITAS PENDIDIKAN GANESHA

2011

TERMS IN

MATHEMATICS

POINT, LINES, ANGLES, PLANES

GROUP I

J U R U S A N P E N D I D I K A N M A T E M A T I K A



TERMS IN MATHEMATICS

No. Indonesia English Example or Explanation Note

1. Garis Line

Line is a straight set of points

that extends off to infinity intwo directions.

Infinity (tidak terbatas)

2.Dua garis

berimpitCoincide lines

3.Dua garis

bersilanganSkew lines

Sk ew lines is a two lineswhich neither parallel nor intersecting lines.

4. Dua garis sejajar Two parallel lines

T wo parallellinesis a straightlines that are always the samedistance apart.

Figure :

line // m line

The symbol of

parallel lines is( // ).

5.Dua garis saling

tegak lurus

Two perpendicular

lines

Two lines are perpendicular if the angle between them is a90° angle.

Figure :

(°) dibaca³degree´ atau

³derajat´.

6. Garis potong Transversal

T ransversal is a straight linethat crosses parallel lines.Or t ransversal is a line that

intersects two lines.

For examples, see corresponding anglesandalternate interior angles.

Corresponding

angl es (sudut-

sudt yang

bersesuaianatau sehadap);

Alt er nat e

int er ior angl es

(sudut-sudutdalam

bersebrangan)

7. Garis singgung Tangent line

T angent line is a line thatintersects a circle at one point.

Figure :

C ircl e (Lingkaran)

line

line

90°

line

line



8. GradienThe gradient, the

slo pe

9. Segmen garis Line segment

Line segment is like a pieceof a line.It consists of two endpointsand all of the points on thestraight line between thosetwo points.

10. Menyinggung Touches

E xample : A line t ouches a curve at P (1,2). (Suatu garis

menyinggung kurva di P(1,2))

Curve (kurva)

11.Titik A (absis,ordinat)

Point A (abscissa,ordinate)

Example :Point A (3,1). So, 3 is value of abscissa and 1 is value of ordinate.

12. Titik potongThe point of

intersection


1. Sudut Angle Angle is the union of two rays

with a common endpoint.

Union

(gabungan)

2. Sudut siku-siku R ight angle

An angle equal with 90° angleis called ³ right angle´ .

Figure :Equal (sama

dengan);(°)

dibaca ³degree´

atau ³derajat´.

3. Sudut lancip Acute angle

An angle smaller than a90°angle is called an ³acu t e

angle´ .

Figure : (°) dibaca

³degree´ atau

³derajat´.

4. Sudut tumpul Obtuse angle An angle larger than a (°) dibaca

A

B

90°



90°angle but smaller than a180°angle is called an³obt use angle´ .

Figure :

³degree´ atau

³derajat´.

5. Sudut depresiAngle of

depression

The ´angle of depression´ for an object below your line of sight is the angle whose vertexis at your position, with oneside being a horizontal ray inthe same direction as theobject and the other side beingthe ray from your eye passingthrough the object.

Figure :

6. Sudut elevasi Angle of elevation

The ³ angle of elevat ion´ for an object above your line of sight is the angle whose vertexis at your position, with oneside being a horizontal ray inthe same direction as theobject and the other side beingthe ray from your eye passingthrough the object.

Figure :

A

Object

You

A = Angle of depression

A

Object

You

A = Angle of elevation



7.Sudut-sudutdalam sepihak

Co-interior angles

C o-int erior angles : Interior angles on the same side of thetransversal.

Example :

8.Sudut-sudut luar

sepihak Co-exterior angles

Co-exterior angles : exterior angles on the same side of transversal.

Example :

9.

Sudut-sudut

dalam bersebrangan

Alternate interior angles

Al t ernat e int erior angles :the transversal and the parallellines form pairs of alternateangles.

Example :

10.Sudut-sudut luar

bersebrangan

Alternate exterior

angles

Al t ernat e ex t erior angles.

Example :

11.

Sudut-sudut

sehadap

Corresponding

angles

Example :

12.Sudut-sudut

bertolak belakangVertical angles

Example :

13.Sudut-sudut

berpelurusSupplementaryangles

Example :

5

7

34

8

6

1 2






1. Lingkaran Circle

C ircle : the set of all points ina plane that are the samedistance from a fixed pointcalled the center.

Figure :

d = diamet er ;

r = r adiu s;

C = cent er.

2. Keliling(sebarangpoligon)

Perimeter The perimet er of a polygon is

the sum of the lengths of allthe sides.

3.Keliling

lingkaranCircumf erence

The circumference of aclosed curve (such as a circle) is the total distance around thecurve.

Formula :

= pi(=3.14159...);

r = radius.

4.

Lingkaran-

lingkarank onsentris

Concentric circles

5.Lingkaran-lingkaran

k ongruen

Congruent circles

Two circle are congruent if

they have exactly the sameshape and exactly the samesize.

6. Luas lingkaranThe area of thecircle

Formula :

= pi

(=3.14159...); r = radius.

7.Luas permukaan...

The sur f ace areaof a...

8. Jari-jari lingkaran R adius

The radius of a circle is thedistance from the center of thecircle to a point on the circle.

Figure :

. d

r

r

C

r. a

b.



9. Busur lingkaran rc (Circular arc)

An arc of a circle is tG

e set of points on t

G e circle t

G at lie in

tG

e inter ior of a par ticular central angle.

F i H

I

P Q

:

10. Busur dera jat

Pr otractor, the

center of

pr otractor

11. ali busur

(lingkaran)Chord (of circle)

A chord is a line segment tR

atconnects two points on a

curve.

F i S

T

U V

:

Curve (kurva)

12. Jangka Compass

A c om pass is a W

evice consisting of two ad justable

legs, used f or drawing circles and measur ing off equaldistance intervals.

X igure :

13. Jur ing lingkaran ector

Sec t or : minor sector , ma jor sector . A sec t or of a circle is a region bounded by two radii of t

Y

e circle and by t

Y

e arc of tY

e

circle whose endpoints lie on those radii. In other words, a

sec t or is shaped li ̀ e a pie

slice.

F i a

b

c d

:

r = rad i e s;

= thet a (u sed

for ang les).

. Intercep-

ted arc

chord



The area of the sector is :

14.Tembereng

lingkaranSegment

S egment : minor segment, major segment. A segment of a circle is anarea bounded by an arc andthe chord that connects thetwo endpoints of the arc.

15.Diameter

lingkaranDiameter

Diamet er : a chord throughthe center of circle; it is thelongest chord and is twice thelength of a radius.The diamet er is equal to twice

the radius, and

, where

c is the circumference.

Figure :

d = diamet er ;

r = r adiu s.

16. Pusat lingkaranThe centre of the

circle

The cent er of a circle is thepoint that is the same distancefrom all of the points on thecircle.

Figure :

C = cent er.

17.Garis singgung

lingkaran

The tangent line

to a circle

T he t angent line t o a circle , with center O, at a point P isthe straight line through P thattouches the circle.Geometrically, this tangent lineis perpendicular.Or a t angent line is a line thatintersects a circle at one point.

ab. . rr

c

d

. C



1 . Gar is memotong

lingkaranecant to a circle

Secant t o a c i rc l e : a line thatintersects the circle at two points.

f

r A secant li ne is a line thatintersects a circle, or some

other curve, in two places.Lines AB and CD in figure are both secant lines.

g igure :

19. etengah

lingkaranemicircle

20. udut pusat

lingkaranCentral angle

C ent er ang l e : an angle that is f ormed by two radii.

21.

udut pusat

lingkaran = 2

X sudut keliling

lingkaran

In h

c i rc l e t he ang l e at t he c ent er i s d oubl e of t he ang l e at c i rc u mf er enc e, wh

i

n p

ng l i q

hp

v i

thi

q p

me ci r

c s mferenc e

p q

bp q

e, p

ll ci r c s msc r ibed

p

ng l es subt end i ng ( meng hp

dap) the same ar c are equal i rrespectiv e

t

f thei r positi on on the ci r cl e.

22. egiempat dalam

lingkaran

uadr ilateral

BCD inscr i bed

into a circle

A q u adr il at eral ABC u i nscr i bed i nt o a c i rc l e : A cyclic quadilateral which has all f our ver tices touching the circumf erence of a circle.

v igure :

23. egi banyak

dalam lingkarannscr i bed polygon

I nscr i bed poly g on : a polygon all of whose sides are chords of a circle.

w r

i nscr i bed poly g on is a polygon placed inside a circle so that each ver tex of the polygon touches the circle.

x igure :

A

D C

B



C ircumscribed circle : acircle passing thourgh eachvertex of a polygon.

24.Segibanyak luar

lingkaran

Circumscribed

polygon

C ircumscribed pol

y

gon : apolygon all of whose sides aretangents (bersinggungan) to acircle.

I nscribed circle : a circle towhich all the sides of apolygon are tangents. Or inscribed circle of apolygon is a circle locatedinside a polygon, with eachside of the polygon beingtangent to the circle.

Figure :

25. Titik singgunglingkaran dengan

garis singgung

Point of contact

26.

Garis singgung

persekutuandalam

Inner common

tangent line

27.Garis singgung

persekutuan luar

Outer common

tangent line



No. Indonesia English E ample or E planation Note

1. egitiga r iangle

A t r i ang l e is a three-sided polygon.

�

igure :

egitiga sebarang Oblique tr iangle

An obliq u e t r i ang l e is a tr iangle that is not a r ight tr iangle.

2. egitiga sama sisi quilateral

tr iangle

E q u il at eral t r i ang l e : a tr iangle having three congruent sides. All three of the angles in an equilateraltr iangle are 6

�

°angles.

�

igure :

3. egitiga sama

kak i sosceles tr iangle

I sosc el es t r i ang l e: a tr iangle having at least two congruentsides.

� igure :

4. egitiga siku-siku

samakak i

R ight isosceles

tr iangle

� igure :



5.

egitiga lanci p

(segitiga tidak sama sisi)

calene/acutetr iangle

S cal ene/ ac u t e t r i ang l e: a tr iangle having no congruentsides.

� igure :

6. egitiga siku-siku R ight tr iangle

R i ght t r i ang l e is a tr iangle that contains one r ight angle.� he side opposite the r ight

angle is called the hy pot enuse; the other two sides are called the legs.

� igure :

7. egitiga tumpul Obtuse tr iangle

O bt u se t r i ang l e : a tr iangle that has one obtuse angle.

�

igure :

8. egitiga-segitiga

yang k ongruen

Congruent

tr iangles

9. egitiga-segitiga

yang sebangunimilar tr iangle

10. egitiga dalam

lingkarannscr i bed tr iangle

I nscr i bed t r i ang l e : a tr iangle all of whose sides are chords of a circle.



Figure :

11.Segitiga luar

lingkaran

Circumscribed

triangle

C ircumscribed t riangle : atriangle all of whose sides aretangents (garis-garissinggung) to a circle.

Figure :



Documents

KAMUS MAT ING B