Odpowiedzi

2009-12-21T20:42:40+01:00
Ob. = 10cm
8x = 15x

8x + 15x + y = 10cm

64x²+225x² = y²
289 = y²
17x = y

8x+15x+17x = 10 cm
1- = 40x
x = 0,25

a= 8x = 2cm - 1 bok
b= 15x = 3,75cm = 2 bok
c= 10-(a+b)=4,25cm - 3 bok