Jawaban:
karena bertolak belakang maka
AOD = BOC
4x -7 = 3x +11
4x -3x = 11 +7
x = 18⁰
besar sudut AOB
= 180⁰ - BOC
= 180 - (3x +11)
= 180 - 3(18) - 11
= 115⁰ ✔️
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Verified answer
Jawaban:
karena bertolak belakang maka
AOD = BOC
4x -7 = 3x +11
4x -3x = 11 +7
x = 18⁰
besar sudut AOB
= 180⁰ - BOC
= 180 - (3x +11)
= 180 - 3(18) - 11
= 115⁰ ✔️