• 7 – nazorat ishi I variant
  • IV CHORAK Geometriya VII sinf Yozma ish № 8 I variant
  • Xxi asr – Aql zakovat, ma’naviyat va bilimdonlik asri bo’ladi




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    5 9 matematikadan yozma ish.

    6 – nazorat ishi
    I variant
    1.Uchburchakning burchaklari 2, 3 va 7 sonlari ga proporsional. Shu burchaklarni toping.
    2.АВС tengyonli uchburchakning (АВ = ВС) ВСК tashqi burchagi . АВС burchakni toping.
    3.To‘g‘ri burchakli uchburchakning 10 sm ga teng kateti qarshisida yotgan burchagi ga teng. Gipotenuzaga o‘tkazilgan balandlikning uzunligini toping.
    II variant
    1. Uchburchakning burchaklari 3, 4 va 8 sonlari ga proporsional. Shu burchaklarni toping.
    2. BPM tengyonli uchburchakning (BP = ВM) ВPT tashqi burchagi . PMB burchakni toping.
    3. ВС to‘g‘ri burchakli uchburchakning АВ gipotenuzasiga CD balandlik o‘tkazilgan. В burchagi ga, BD kesma 1 sm ga teng.АВ gipote-nuzaning uzunligini toping.
    7 – nazorat ishi
    I variant
    1.DEK tengyonli uchburchakning DK asosi, EF kesma esa bissektrisasi, DK = 16 sm, . KF, , larni toping.
    2.Berilgan 17 mm, 19 mm va 22 mm ga teng uchta tomoniga ko‘ra uchburchak yasang.
    3.Bir tomoni 7 sm bo’lgan birorta uchburchak yasash uchun 12 sm li mis sim yetadimi?
    II variant
    1.ABC tengyonli uchburchakning AC asosi, BD kesma esa bissektrisasi,
    AC = 18 sm, . AD, , larni toping.
    2.Berilgan 25 mm, 20 mm va 18 мм ga teng uchta tomoniga ko‘ra uchburchak yasang.
    3.Bir tomoni 6 sm bo’lgan birorta uchburchak yasash uchun 12 sm li mis sim
    yetadimi
    IV CHORAK Geometriya VII sinf

    Yozma ish № 8


    I variant
    1. Gipotenuzasi va katetiga ko’ra to’g’ri burchakli uchburchak yasang.
    2. Sirkul va chizg’ich yordamida   ga teng burchak yasang.
    3. Uchta tomoniga ko’ra uchburchak yasang: 17 mm, 19 mm va 22 mm. Kichik tomonida uchburchakning qolgan ikki tomonidan teng uzoqlashgan nuqtani toping.
    II variant
    1. Ikki katetiga ko’ra to’g’ri burchakli uchburchak yasang.
    2. Sirkul va chizg’ich yordamida   ga teng burchak yasang.
    3. Uchta tomoniga ko’ra uchburchak yasang: 25 mm, 20 mm va 18 mm. Katta tomonida kichik tomon uchlaridan teng uzoqlashgan nuqtani toping.

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    Xxi asr – Aql zakovat, ma’naviyat va bilimdonlik asri bo’ladi

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