17-BILET
1. Tenglamalar sistemasini yeching.
2. Hisoblang:
3. Tenglamani yeching:
4. Ifodani soddalashtiring:
5. Ayirmasi 24 bo`lgan qo`shni burchaklardan kichigini toping.
6.Trapetsiyaning kichik asosi 4 cm, o`rta chizig`i esa katta asosidan 4cm kichik. Trapetsiyaning o`rta chizig`ini toping.
7. a va b parallel to’g’ri chiziqlarni c to’g’ri chiziq bilan kesishdan hosil bo’lgan ichki almashinuvchi burchaklarning bissektrisalari parallel ekanligini ko’rsating.
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