Odpowiedzi

2010-02-18T20:52:39+01:00
P = a'b'
a' = 4/5 * 25 = 20
b' = 4/5 * 15 = 12
p = 20 * 12 = 240
2 5 2
2010-02-18T20:53:20+01:00
A=25
b=15

k=⅘
a'= ⅘ × 25 = 20
b'= ⅘ × 15 = 12

P(A'B'C'D')= 20 × 12 = 240 [cm²]
2010-02-18T20:57:13+01:00
K=4/5
a' = 4/5 x 25 = 20
b' = 4/5 x 15 = 12
Odpowiedz:
P = 20 x 12 = 240
1 5 1