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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
8/6/2019 KAMUS MAT ING B
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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
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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
No. Indonesia English Example or Explanation Note
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°
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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
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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
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No. Indonesia English Example or Explanation Note
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.
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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
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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
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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
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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
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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 :
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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.
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Figure :
11.Segitiga luar
lingkaran
Circumscribed
triangle
C ircumscribed t riangle : atriangle all of whose sides aretangents (garis-garissinggung) to a circle.
Figure :
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