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Perhatikan gambar berikut ini! Besar ∠ BAC adalah....

Perhatikan gambar berikut ini!

Besar $∠ BAC$ adalah....

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I. Sutiawan

Master Teacher

Mahasiswa/Alumni Universitas Pasundan

Jawaban terverifikasi

Pembahasan

Nilai x yang memenuhi adalah : Besar sudut BAC adalah

Nilai x yang memenuhi adalah :

$begin mathsize 14px style space space space space space space angle ABC space plus space angle ACB plus space angle BAC space equals 180 degree left parenthesis straight x space plus space 10 degree right parenthesis space plus space 95 degree plus space left parenthesis 3 straight x space – space 5 degree right parenthesis space equals 180 degree space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 4 straight x space plus space 100 space equals 180 degree space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 4 straight x space equals 180 degree – 100 degree space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 4 straight x space equals 80 degree space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space straight x space equals fraction numerator 80 degree over denominator 4 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space straight x equals 20 degree end style$

Besar sudut BAC adalah