Odpowiedzi

2009-11-25T20:14:55+01:00
A - bok kwadratu
a√2=1,6m
a=1,6m/√2

(1,6/√2)² = 2,56/2 = 1,28

Odp. P = 1,28m²
2009-11-25T20:15:44+01:00
P=a*√2
a=p/√2=1,6/√2
s=a²=(1,6/√2)²=2,56/2=1,28m²
2009-11-25T20:15:56+01:00
D=a√2
d=1,6 m =160 cm
160=a√2
a=(160√2)/2=80√2
P=a²
P=(80√2)²=12800 cm²=1,28m²