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gTavazobT saerTo samagistro gamocdis testis nimuSs

gTavazobT saerTo samagistro gamocdis testis nimuSs

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ganmartebebi, raodenobrivi msjeloba<br />

axla ganvixiloT II piroba. am pirobidan martivad<br />

gamomdinareobs, rom 38 x 41.<br />

amitom am pirobaze dayrdnobiT<br />

oTaris asakis calsaxad gansazRvra SeuZlebelia (misi asaki<br />

SeiZleba iyos rogorc 39, ise 40 weli). amrigad, II piroba ar aris<br />

sakmarisi oTaris asakis dasadgenad.<br />

swori pasuxia (a).<br />

amocana 15<br />

marTkuTxa samkuTxedis kaTetebze agebulia ori<br />

kvadrati (ix. naxazi). kvadratebis gverdebis<br />

sigrZeebi (santimetrebSi) aRniSnulia, Sesabamisad,<br />

a da b asoebiT, xolo marTkuTxa samkuTxedis<br />

hipotenuzis sigrZe (santimetrebSi) _ c asoTi.<br />

ganvixiloT Semdegi ori piroba:<br />

I. a 3 da b 4<br />

II. c 5<br />

imisaTvis, rom davadginoT, risi tolia aRniSnuli kvadratebis<br />

farTobebis jami,<br />

(a) sakmarisia I piroba, xolo II piroba ar aris sakmarisi.<br />

(b) sakmarisia II piroba, xolo I piroba ar aris sakmarisi.<br />

(g) sakmarisia I da II piroba erTad, magram cal-calke arc erTi ar aris<br />

sakmarisi.<br />

(d) sakmarisia TiToeuli piroba cal-calke.<br />

(e) orive piroba erTad ar aris sakmarisi, saWiroa damatebiTi pirobebi.<br />

vTqvaT, aRniSnuli kvadratebis farTobebis jamia S .<br />

I piroba, cxadia, sakmarisia S -is dasadgenad, radgan<br />

2 2<br />

S a b<br />

2 2<br />

3 4 25 .<br />

vaCvenoT, rom II piroba aseve sakmarisia S jamis dasadgenad.<br />

marTlac, piTagoras Teoremis mixedviT,<br />

2 2<br />

a b<br />

2<br />

c . davuSvaT,<br />

sruldeba II piroba. maSin, 5 25<br />

2 2 2 2<br />

S a b c .<br />

swori pasuxia (d).<br />

143<br />

c<br />

b<br />

a

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