8_sinf_geometriya_1_chorak_2_variant_bsb_@summativ_formativ_baholash

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[image: ] 8 sinf geometriyadan 1 – bsb savollari ii variant 1. muntazam qavariq o‘nburchak uchun quyidagilarni toping: a) ichki burchaklari yig‘indisini; (4 ball) b) ichki burchagi qiymati; (2 ball) c) tashqi burchagi qiymati (2 ball) javob: ________________ 2. qavariq oltiburchakning burchaklari 3, 4, 6, 7, 8 va 8 sonlariga proporsional. shu oltiburchakning burchaklari kattaligini toping. (10 ball) javob: ________________ 3. parallelogramm qo‘shni tomonlari yig‘indisi 30 cm, ayirmasi esa 10 cm ga teng. shu parallelogrammning tomonlarini toping. (10 ball) javob: ________________ 4. teng yonli trapetsiyaning o‘tmas burchagi uchidan asosiga tushirilgan balandligi katta asosni 9 cm va 21 cm li kesmalarga ajratadi. shu trapetsiyaning kichik asosini toping. (10 ball) javob: ________________ 5. to‘rtburchakning eng katta tomoni 20 cm ga teng, qolgan tomonlarining har biri oldingisidan mos ravishda 4 cm ga kichik. perimetri shu to‘rtburchakning perimetriga teng bo‘lgan kvadratning tomoni uzunligini toping. (12 ball) javob: ________________ o‘quvchining to‘plagan bali: ____________ tekshiruvchi o‘qituvchi: …

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allegramm ikkinchi tomonini to‘g‘ri topsa, 10 ball. 4 10 cm 1) masala shartiga mos chizma chiza olsa, 2 ball 2) masala shartiga mos chizma chizib, teng yonli trapetsiya katta asosi uzunligini topa olsa, 4 ball; 3) bu trepetsiya uchun balandlik xossasini ifodalay olsa, yani balandlik ajratgan kesmalar uchun formulani yoza olsa, 7 ball; 4) formulani yozib, berilgan qiymatlardan kichik asos uzunligini topa olsa, 10 ball. 5 12 14 cm 1) to‘rtburchak tomonlarini topsa, har bir tomoni uchun, 2 balldan jami, 6 ball; 2) to‘rtburchak tomonlarini topib, perimetrini topsa, 8 ball; 3) to‘rtburchak perimetri qiymatini kvadrat perimetriga qo‘yib, tenglama tuza olsa, 10 ball; 4) tenglamadan kvadrat tomoni uzunligini topsa, 12 ball. jami: 50 ball image2.png image1.jpg

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[image: ] 8 sinf geometriyadan 1 – bsb savollari ii variant 1. muntazam qavariq o‘nburchak uchun quyidagilarni toping: a) ichki burchaklari yig‘indisini; (4 ball) b) ichki burchagi qiymati; (2 ball) c) tashqi burchagi qiymati (2 ball) javob: ________________ 2. qavariq oltiburchakning burchaklari 3, 4, 6, 7, 8 va 8 sonlariga proporsional. shu oltiburchakning burchaklari kattaligini toping. (10 ball) javob: ________________ 3. parallelogramm qo‘shni tomonlari yig‘indisi 30 cm, ayirmasi esa 10 cm ga teng. shu parallelogrammning tomonlarini toping. (10 ball) javob: ________________ 4. teng yonli trapetsiyaning o‘tmas burchagi uchidan asosiga tushirilgan balandligi katta asosni 9 cm va 21 cm li kesmalarga ajratadi. shu trapetsiyaning kichik asosini toping. (10 ball) javob: ________________ 5. ...

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