JAWABAN:
Menentukan Nilai x =
90° + 90° + 6x + 3x = 360°
180° + 9 + x = 360°
9 + x = 360° - 180°
9 + x = 180°
x = 180° ÷ 9
x = 20
Semoga Membantu
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JAWABAN:
Menentukan Nilai x =
90° + 90° + 6x + 3x = 360°
180° + 9 + x = 360°
9 + x = 360° - 180°
9 + x = 180°
x = 180° ÷ 9
x = 20
Semoga Membantu