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Perhatikan gambar dibawah! Besar ∠ AOB adalah .…

Perhatikan gambar dibawah!

Besar $∠ AOB$ adalah .…

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A. Acfreelance

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Jawaban terverifikasi

Pembahasan

Nilai x yang memenuhi adalah : Jadi, besar adalah :

Nilai x yang memenuhi adalah :

$begin mathsize 14px style angle COD straight space plus straight space angle BOC straight space plus straight space angle AOB straight space equals straight space 180 to the power of straight o space space space space space space space 2 straight x straight space plus straight space 90 degree straight space plus straight space 3 straight x straight space – straight space 10 degree straight space equals straight space 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 5 straight x straight space plus straight space 80 degree straight space equals straight space 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 5 straight x straight space equals straight space 180 degree straight space – straight space 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 5 straight x straight space equals straight space 180 degree straight space – straight space 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 straight x straight space equals fraction numerator 100 degree over denominator 5 end fraction straight 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 straight space 20 degree end style$

Jadi, besar adalah :

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