Besar x
3x - 5° + 2x + 5° = 90°
5x = 90°
x = 18°
Besar sudut BOC
= 2x + 5°
= 2(18°) + 5°
= 36° + 5°
= 41°
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Besar x
3x - 5° + 2x + 5° = 90°
5x = 90°
x = 18°
Besar sudut BOC
= 2x + 5°
= 2(18°) + 5°
= 36° + 5°
= 41°