Jika besar ABC = (3x - 45)° dan besar CDE = (x + 23)°, maka nilai x sama dengan...
A. 34°
B. 40°
C. 45°
D. 75°
A. 34°
B. 40°
C. 45°
D. 75°
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Jawaban:
sudut BC = CG = DE (sama besar)
Jawaban:
34°
Penjelasan dengan langkah-langkah:
(3x-45)°= (x+23)°
3x-x = 23+45
2x = 68°
x = 34°