Jawaban:
AC = garis lurus
Maka, y + 2y + 3y + 4y = 180°
10y = 180°
y = 18°
Maka, DBF = 2(18) + 3(18)
= 36 + 54
= 90° ( C)
MAAF KALO SALAH
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Jawaban:
AC = garis lurus
Maka, y + 2y + 3y + 4y = 180°
10y = 180°
y = 18°
Maka, DBF = 2(18) + 3(18)
= 36 + 54
= 90° ( C)
MAAF KALO SALAH
No . 79 = C. 90°
semoga membantu
Penjelasan dengan langkah-langkah: