Odpowiedzi

2009-12-01T19:22:20+01:00
A=7 cm
h=10 cm
P=½*a*h

P=½*7*10=35 cm²
2009-12-01T19:22:13+01:00
P = a*h / 2
p = 7 * 10 = 70 / 2 = 35
2009-12-01T19:22:53+01:00