π Matematika Β· Planimetriya Β· β β β
To'g'ri burchakli uchburchakning katetlari 9 va 12 ga teng. Unga tashqi chizilgan aylana radiusini toping.
- A)15
- B)3
- C)7,5
- D)6
π To'g'ri javob va tushuntirishni ko'rish
β C) 7,5
π‘ Gipotenuza β(81 + 144) = 15, R = 15 : 2 = 7,5.