A) 90⁰ B) 60⁰ C) 50⁰
3. Agar uchburchak burchaklari 2:3:4 nisbatda bo’lsa, uning burchaklarini toping.
A) 20⁰, 30⁰, 40⁰ B) 30⁰, 50⁰, 70⁰ C) 40⁰, 60⁰, 80⁰
4. To’g’ri burchakli uchburchak o’tkir burchaklarining yig’indisi necha gradus bo’ladi?
A) 90⁰ B) 89⁰ C) 95⁰
5. Uchburchakning nechta burchagi o'tmas bo'lishi mumkin ?
A) 2 ta B) 1 ta C) 3 ta
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