tolong nomor 25 yaaa...
Matematika
asdfghjkl1233
Pertanyaan
tolong nomor 25 yaaa...
1 Jawaban
-
1. Jawaban Machzen
<A + <B + <C= 180°
2x + 3x + 4x = 180°
9x = 180°
x = 20°
<B
= 3x
= 3 x 20°
= 60° (C.)