Odpowiedzi

2010-04-11T19:09:48+02:00
A) 8,5 cm b) 2,5 cm c) 25 cm
2010-04-11T19:13:43+02:00
^ do potęgi 2

a) 8 cm i 17 cm

x^ = 8^ + 17^
x^ = 64 + 289
x^ = 353 |: √
x = √353
x ≈ 18,7 cm


b) 0,3 dm --- > 3 cm i 5 cm

x^ = 3^ + 5 ^
x^ = 9 + 25
x^ = 36 |: √
x= 6 cm


c) 14cm i 0,5 m ---- > 50 cm

x^ = 14 ^ + 50 ^
x^ = 196 + 2500
x^ = 2696 |: √
x ≈ 51,9 cm