" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
72 cm = 0,72 m
0,9m - 0,72m
x m - 12 m
mnożymy na krzyż
0,72x = 12 * 0,9
0,72x = 10,8 /:0,72
x = 15 m
Odp. Drzewo ma wysokość 15 m.
90 cm - 72 cm
12 m = 1200 cm
1200 cm * 72 cm = 90 cm * x
86400 = 90x cm | /90
x = 960 cm
960 cm = 9.60 m
drzewo ma wysokość 9.60 metrów.