Jika segitiga ABC sama kaki dan siku siku di b,maka nilai sin A

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2 September 2025 matematika 5 menit baca
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Grade: Education Mata Pelajaran: matematika
Jika segitiga ABC sama kaki dan siku siku di b,maka nilai sin A
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(113)
Jk ΔABC siku" di B dan sm kaki mk AB=BC
Akibatnya sdt A = sdt C = (180-90)/2 = 45°
Sin A = sin 45° =½√2
Dijawab pada tanggal 2 September 2025

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