[tex] = \frac{2}{2 + 3} \times 180[/tex]
[tex] = \frac{2}{5} \times 180[/tex]
[tex] = 2 \times 36[/tex]
= 72°
[tex] = \frac{3}{2 + 3} \times 180[/tex]
[tex] = \frac{3}{5} \times 180[/tex]
[tex] = 3 \times 36[/tex]
= 108°
= besar sudut DCB
Jadi, besar Sudut BCD adalah c. 108°
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Jawaban:
besar Sudut BCD adalah c. 108°
Penjelasan dengan langkah-langkah:
Sudut ABC
[tex] = \frac{2}{2 + 3} \times 180[/tex]
[tex] = \frac{2}{5} \times 180[/tex]
[tex] = 2 \times 36[/tex]
= 72°
Sudut DCB
[tex] = \frac{3}{2 + 3} \times 180[/tex]
[tex] = \frac{3}{5} \times 180[/tex]
[tex] = 3 \times 36[/tex]
= 108°
Besar sudut BCD
= besar sudut DCB
= 108°
Jadi, besar Sudut BCD adalah c. 108°
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