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Verified answer
Sudut CBD= 180 - 7x°
sudut BDC
= 180 - 9x°
Sudut segitiga
180° = sudut CBD + sudut BDC + s. BCD
180° = 180 - 7x + 180 - 9x + 92
180 = 452 -16x
16x = 452 - 180
16x = 272
x = 17°
sudut CBD
= 180 - 7x
= 180 - 7(17)
= 180 - 119
= 61°
Jawab: C