Odpowiedzi

2010-02-06T19:26:07+01:00
2010-02-06T19:27:13+01:00
A,b,c - boki
a = b (rownoramienny)
c = a√2 (z trojkata 45, 45, 90)
P = 1/2 a² /*2
a = √36 = 6 cm
b = 6 cm
c= 6√2 cm

pzdr ;)
2 5 2
2010-02-06T21:22:16+01:00
P=18
p= a*b/2
18= a*b/2
18=6*6/2
p=18