tolong apa jawaban nya nomor 30!
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tolong apa jawaban nya nomor 30!
1 Jawaban
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1. Jawaban sandysuhendra
Krn AB = AC mk sdt B = sdt C = 9x
Sdt A + sdt B + sdt C = 180
6x + 9x + 9x = 180
24x = 180
x = 7,5
Mk sdt A = 6 × 7,5 = 45°