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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

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