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special-edu.kz.
special-edu.kz.

1.11. Ôîðìóëàëàð. Ôîðìóëàëàð special-edu.kz.

áîéûíøà åñåïòåó

special-edu.kz. special-edu.kz. special-edu.kz.
Ìàòåìàòèêàäà
әðiïòåði
åðåæåëåð
áàð òåңäiêòåðìåí æàçûëàäû. Ìұíäàé

æàғäàéäà åðåæåíi ôîðìóëàìåí æà-

çûëғàí äåéìiç.

I. Òiê òөðòáұðûøòûң ïåðèìåòðiíiң

ôîðìóëàñû.
a

special-edu.kz. special-edu.kz. special-edu.kz.

b

1.27-ñóðåò.

Ïåðèìåòð – æàçûқòûқòàғû ãåîìå-

òðèÿëûқ ôèãóðàëàðäûң áàðëûқ қàáûð-

ғàëàðû ұçûíäûқ òàðûíûң қîñûíäûñû.
special-edu.kz.
special-edu.kz. 1-òàïñûðìà. Òіê òөðòáұðûøòûң special-edu.kz.

(1.27-ñóðåò), ïåðèìåòðіí òàáûңäàð.

Òіê òөðòáұðûøòûң à – ұçûíäûғû, b – åíі.

1) à = 6 ñì; b = 4 ñì;

Ð = ;

137
special-edu.kz. special-edu.kz. special-edu.kz.