Oblicz długość odcinka x ! a.12 kwadrat +9 kwadrat =x kwadrat b.3 kwadrat +6 kwadrat=x kwadrat c.4 kwadrat +3 kwadrat =x kwadrat b.11 kwadrat +3 kwadrat =x kwadrat

a) 12² + 9² = 144 + 81 = 225 = x² x = √225 = 15 b) 3² + 6 ² = 9 + 36 = 45 = 9*5 = x² x = √(9*5) = √9*√5 = 3 √5 c) 4² + 3² = 16 + 9 = 25 = x² x = √25 = 5 d) 11² + 3² = 121 + 9 = 130 = x² x = √130

a. 12² + 9² = x² 144 + 81 = x² 225 = x² √225 = x 15 = x b. 3² + 6² = x² 9 + 36 = x² 45 = x² √45 = x 6,708 = x c. 4² + 3² = x² 16 + 9 = x² 25 = x² √25 = x 5 = x d. 11² + 3² = x² 121 + 9 = x² 130 = x² √130 = x 11,401 = x