Pifagor teoremasi va uning ba’zi tadbiqlari. Uchburchak va to’rtburchak yuzalarini hisoblash. Uchburchakdagi metrik munosabatlar

Tayanch iboralar

Uchburchak, to’rtburchak, parallelogramm, romb, kvadrat, trapetsiya, to’g’ri to’rrtburchak, Pifagor teoremasi, balandlik, bissektrissa, mediana

Nazorat savollar

1. Pifagor teoremasi

2. Uchburchak va to’rtburchaklarning hisoblash formulalari

3. Uchburchakdagi metrik munosabatlar

Topshiriqlar

1. Agar teng yonli uchburchakning asosi 120 sm ga , yon tomoni 100 sm ga teng bo’lsa, uning yuzini toping. (Javob: 4800 sm²)

2. To’g’ri to’rtburchakning tomonlari nisbati 4:9 ga teng bo’lib, uning yuzi 144 m² bo’lsa, uning tomonlari nimaga teng? ( Javob: 8m, 18m)

3.Teng yonli trapetsianing o’rta chizig’I 5 sm bo’lib, diagonallari perpendikulyar. Trapetsiya yuzasini hisoblang.

4. Paralleleogrammning tomonlari a va b bo’lib, ular orasidagi burchak _ ga teng. Shu parallelogrammning barcha burchaklarining bissektrisalari tashkil qilgan to’rtburchakning yuzasini toping.

Foydalanilgan adabiyotlar:

1. H.M.Sayfullayeva “Geometriya” 40-53 betlar

2. A.V.Pogorelov “Geometriya”

3.I . Israilov, Z.Pashayev “Geometriyadan masalalar to’plami”

Aim.uz