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1.6 geometriuli gardaqmnebi. mobruneba<br />
gavixsenoT gasul wels Seswavlili geometriuli gardaqmnebi _ RerZuli<br />
simetria, paraleluri gadatana.<br />
1) a suraTze gamosaxulia X da Y wertilebi da a wrfe, Y<br />
wertili a wrfes ekuTvnis, X wertili ar ekuTvnis a wrfes.<br />
ganvixilavT simetrias a wrfis mimarT. gaixseneT:<br />
X<br />
• rogor avagoT X wertilis simetriuli X¢ wertili<br />
Y • ra wertilia a wrfis mimarT Y wertilis simetriuli<br />
suraTze tolferda samkuTxedia gamosaxuli, BD misi<br />
biseqtrisaa.<br />
B<br />
Tu warmovidgenT, rom es samkuTxedi gadavkeceT BD<br />
wrfeze, maSin DABD daemTxveva DCBD-s _ BD wrfis mimarT<br />
simetriis dros ABD samkuTxedi (wertilTa simravle) aisaxeba<br />
BDC samkuTxedze, es samkuTxedebi toli samkuTxedebia, BD<br />
aris ABC-s simetriis RerZi.<br />
• ras ewodeba samkuTxedis simaRle, mediana, biseqtrisa<br />
A<br />
D<br />
• ra Tviseba aqvs tolferda samkuTxedSi wverodan<br />
gavlebul biseqtrisas<br />
• ra Tviseba aqvs tolferda samkuTxedis fuZesTan mdebare kuTxeebs<br />
C<br />
2)<br />
B<br />
m m B1 n n<br />
B2<br />
A<br />
C<br />
a<br />
vTqvaT, a||b da am wrfeebze gamaval sibrtyeze Zevs DABC.<br />
suraTze gamosaxulia a wrfis mimarT da b wrfis mimarT RerZul simetriaTa<br />
mimdevrobiT Catarebis procesi _ ganvixilavT am simetriebis kompozicias.<br />
a wrfis mimarT RerZuli simetriisas DABC-dan miviReT misi toli A 1<br />
B 1<br />
C 1<br />
samkuTxedi, b wrfis mimarT simetriisas DA 1<br />
B 1<br />
C 1<br />
-dan miiReba DA 2<br />
B 2<br />
C 2<br />
.<br />
gaixseneT, rom am ori RerZuli simetriis kompozicia aris paraleluri<br />
mimarTuli monakveTiT _ ABC samkuTxedis yoveli wertili<br />
→<br />
gadatana BB 2<br />
gadadis erTi da imave manZiliT (BB 2<br />
monakveTis toli<br />
manZiliT, romelic 2-jer aRemateba wrfeebs Soris<br />
manZils, (m+n)-s da erTi da imave mimarTulebiT<br />
(B-dan B 2<br />
-sken)).<br />
→<br />
M(x, y) wertilis paraleluri gadatana OP<br />
mimarTuli monakveTiT (P=P(a; b)) gvaZlevs<br />
M¢(x+a, y+b) wertils.<br />
C1<br />
A1<br />
b<br />
A2<br />
C2<br />
Mx (; y)<br />
M( x+a; y+b)<br />
Pa (; b)<br />
0<br />
45