IBRAGIMOV DOSTONBEK RUSTAM O`G`LI
@matematiklar_tv
38. Qirralari 2:3:5 kabi nisbatda bo`lgan uchta kub hajmlarining yig`indisi 1280 ga teng
bo`lsa, ikkinchi kubning hajmini toping?
Javob: _____________________________________
39. To`g`ri parallelepipedning asosining tomonlari 9 va 12 ga, ular orasidagi burchak
ga, yon qirralari √ ga teng. Parallelepipedning kichik diaganol uzuznligini toping?
Javob: _____________________________________
40. Uchburchakli muntazam piramida asosining tomoni 24 ga teng. Yon yog`I asos tekisligi
bilan
hosil qiladi. Piramidaning hajmini toping?
Javob: _____________________________________