Cevaplar

2012-10-01T20:35:45+03:00

20 derecedir ......................

 

(90-x) + (180-x) = 230 ise

                     x = 20 dir .

1 5 1
2012-10-01T20:36:16+03:00

90-x +180-x=230 => x= 20 derecedir

tümler (90-x)   bütünler (180-x)

1 5 1