Algebra Yozma ish 1 – sinf 1- nazorat ishi variant

2. Oltiburchakli muntazam prizmaning barcha qirralari 3 ga teng bo‘lsa, uning to‘la sirtining yuzini toping.

3. Asosining diamerti 15 m va balandligi 5 m bo‘lgan silindr shaklidagi sisterna neft bilan to‘ldirilgan. Agar neftning zichligi 0,85 g/cm³ bo‘lsa, bu sisternadagi neftning massasi necha tonna?

4. Har bir qirrasi uzunligi 6 cm ga teng bo‘lgan muntazam oltiburchakli prizmaga ichki chizilgan silindr hajmini toping.

5. Rasmda o‘lchamlar mm larda berilgan detalning to‘la sirti va hajmini toping.

3-nazorat ishi

1-variant

1. Uchburchakli muntazam piramidaning balandligi 4 ga, asosining balandligi esa 4,5 ga teng. Piramidaning yon qirrasini toping.

2. To‘rtburchakli muntazam piramidaning balandligi 15 ga, diagonal kesimining yuzi 120 ga teng. Shu piramidaning hajmini toping.

3. To‘rtburchakli muntazam kesik piramida asoslarining tomonlari 3 cm va 5 cm, diagonali 9 cm. Kesik piramidaning balandligini toping.

4. Konus asosining radiusi 6 ga, balandligi 8 ga teng. Konus yoyilmasining chidagi burchagini toping.

5 . Rasmda ko‘rsatilgan uchburchakning to‘g‘ri chiziq atrofida aylanishidan hosil bo‘lgan jismning hajmini toping.

2-variant

1. Uchburchakli muntazam piramidaning balandligi 5 ga, asosining balandligi esa 6 ga teng. Piramidaning yon qirrasini toping.

2. To‘rtburchakli muntazam piramidaning balandligi 10 ga, diagonal kesimining yuzi 100 ga teng. Shu piramidaning hajmini toping.

3. To‘rtburchakli muntazam kesik piramida asoslarining tomonlari 4 cm va 6 cm, diagonali 10 cm. Kesik piramidaning balandligini toping.

4. Konus asosining radiusi 5 ga, balandligi 8 ga teng. Konus yoyilmasining uchidagi burchagini toping.

5 . Rasmda ko‘rsatilgan uchburchakning to‘g‘ri chiziq atrofida aylanishidan hosil bo‘lgan jismning hajmini toping.

4-nazorat ishi

1-variant