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Tavi - Ganatleba

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?<br />

1<br />

2<br />

p= 13+14+15<br />

2<br />

Semdegi winadadebebidan romelia WeSmariti:<br />

sm; p–a=7sm; p–b=6sm; p–c=8sm.<br />

I <strong>Tavi</strong><br />

S= √ 21·7·6·8 = ·7·4=84. cxadia, samkuTxedis umciresi<br />

simaRle iqneba udides gverdze daSvebuli simaRle,<br />

amitom BK= 2S�ABC 84·2<br />

= =11, .<br />

AC 15<br />

pasuxi: 11, sm.<br />

Tu a, b da c samkuTxedis gverdebis sigrZeebia, p ki _ naxevarperimetri,<br />

maSin:<br />

a) S= √ p(p–a)(p–b)(p–c) ; b) S= √ p(p–a)(p–b)(p–c)<br />

1<br />

; g) S= √ p(p–a)(p–b)(p–c) .<br />

2<br />

samkuTxedis farTobi gamoiTvleba formuliT S= √ p(p–a)(p–b)(p–c) , sadac p:<br />

a) perimetria; b) naxevarperimetria; g) gaorkecebuli perimetria.<br />

savarjiSoebi<br />

1<br />

2<br />

3<br />

4<br />

5*<br />

ipoveT samkuTxedis gverdebi: a) Tu isini ise Seefardeba erTmaneTs,<br />

rogorc 6: 5: , samkuTxedis farTobi ki udris 9m -s; b) Tu isini ise<br />

Seefardeba erTmaneTs, rogorc 9:10:17, farTobi ki udris 144 sm -s.<br />

ipoveT oTxkuTxedis farTobi, romlis diagonalia 17 sm da am diagonalis<br />

erT mxareze mdebare gverdebia 10 sm da 1 sm, meore mxareze mdebare<br />

gverdebi ki udris 8 sm da 15 sm.<br />

ipoveT paralelogramis farTobi, Tu misi erTi gverdi 51 sm-ia, diagonalebi<br />

ki – 40 sm da 74 sm.<br />

ipoveT samkuTxedis farTobi, Tu mocemulia misi sami gverdi:<br />

a) 5, 6, 9; b) 17, 65, 80; g) 25<br />

6<br />

29<br />

, , 6.<br />

6<br />

samkuTxedis gverdebia 10 sm, 17 sm da 1 sm. am samkuTxedSi imgvarad<br />

aris Caxazuli 4 sm perimetris mqone marTkuTxedi, rom misi erTi<br />

gverdi mdebareobs samkuTxedis udides gverdze. ipoveT marTkuTxedis<br />

gverdebi.<br />

17

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