Jawabanmu

2014-05-29T14:46:51+07:00
= 3/2 . 90 derajat 
= 3 . 45 derajat
= 135 derajat
1 5 1
Jawaban paling cerdas!
2014-05-29T14:55:42+07:00
Pengertian penyiku = x+y =90
perbandingan = 3+2 = 90
5 = 90
1 = 90/5
1 = 18

Sudutnya = 3*18 = 54°
5 3 5