" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1dm² = 0,01m²
4dm² = 0,04m²
1ha = 10 000m²
12 000m² = 1,2ha
zad 2
P = a²
a² = 0,64m²
a = 0,8m
Ob = 4a
Ob = 4*0,8m = 3,2m
zad 3
P = a*b
a*b = 160cm²
12cm*b = 160cm²
b = 160cm² : 20cm
b = 8cm
Ob = 2*(a + b)
Ob = 2*(20cm + 8cm) = 2*28cm = 56cm