=
karena dan saling berpenyiku, maka didapat persamaan:
+ = 90°
kita, tahu bahwa =
maka:
cari sudut B:
= 90°
= 90°/3
= 30°
cari sudut A:
+ 30° = 90°
= 90° - 30°
= 60°
...
Selisih
= -
= 60° - 30°
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=
karena dan saling berpenyiku, maka didapat persamaan:
+ = 90°
kita, tahu bahwa =
maka:
cari sudut B:
+ = 90°
+ = 90°
= 90°
= 90°/3
= 30°
cari sudut A:
+ = 90°
+ 30° = 90°
= 90° - 30°
= 60°
...
Selisih
= -
= 60° - 30°
= 30°