Răspunsuri

2014-05-03T12:10:50+03:00
Notam cu a latura rombului. 

1) a - 3a/8 = 8a/8 - 3a/8 = 5a/8
2) 5a/8 - 2a/4 + a/2 = 5a/8 - 4a/8 + 4a/8 = 5a/8 
3) 5a/8 = 675 --> 5a = 675*8 --> 5a=5400 --> a=5400/5 --> a= 1080cm 

P = 4a --> P = 4*1080 --> P=4320