tolong no 5 yappppp mks
Matematika
zahra1338
Pertanyaan
tolong no 5 yappppp mks
1 Jawaban
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1. Jawaban m1a2u3l4i5d6i7a8
B + 1½ B = 180
2/2 B + 3/2 B = 180
5/2 B = 180
B = 180 : 5/2
B = 180 × 2/5
B = 72
besar sudut B = 72°