Odpowiedzi

2010-04-06T22:35:53+02:00
A,b - boki rownolegloboku
2a+2b=36
a+b=18

h=6
P=ah=60
6a=60
a=10
10+b=18
b=8

Boki maja dlugosc 8 i 10
2010-04-06T22:37:28+02:00
2a+2b = 36 cm
a*h = 60
h = 6

a*6 = 60 |:6
a = 10

2*10+2b = 36
20+2b = 36
2b = 16 |:2
b = 8

a = 10
b = 8

:)