a (cm) -4 b (cm) -?? c (cm)-4 V (cm3)-32 a (cm) -7 b (cm) -5 c (cm)-?? V (cm3)-140 a (cm) -?? b (cm) -6 c (cm)-10 V (cm3)-150 a (cm) -7 b (cm) -?? c (cm)-2 V (cm3)-70 a (cm) -12 b (cm) -3 c (cm)-?? V (cm3)-144

1. c = 2 2. c=4 3. a=2,5 4. b=5 5. c=4

a (cm) -4 b (cm) -?? b = V ÷ (a×c) = 32 ÷ ( 4×4) = 2 c (cm)-4 V (cm3)-32 a (cm) -7 b (cm) -5 c (cm)-?? c = V ÷ (a×b) = 140 ÷ (7×5) = 4 V (cm3)-140 a (cm) -?? a = V ÷ (b × c) = 150 ÷ (6×10) = 2,5 b (cm) -6 c (cm)-10 V (cm3)-150 a (cm) -7 b (cm) -?? b = V ÷ (a × c) = 70 ÷ (7 × 2) = 5 c (cm)-2 V (cm3)-70 a (cm) -12 b (cm) -3 c (cm)-?? c = V ÷ (a × b) = 144 ÷ (12×3) = 4 V (cm3)-144

a*b*c = V 1) 4 * b * 4 = 32 16b = 32 |:16 b = 2 2) 7 * 5 * c = 140 35c = 140 |:35 c = 4 3) a * 6 * 10 = 150 60a = 150 |:60 a = 5/2 = 2,5 4) 7 * b * 2 = 70 14b = 70 |:14 b = 5 5) 12 * 3 * c = 144 36c = 144 |:36 c = 4