Tolong pake cara, jawabnya yg betul jgn bercanda

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Tolong pake cara, jawabnya yg betul jgn bercanda

Tolong pake cara, jawabnya yg betul jgn bercanda

Luas Juring Lingkaran = Besar Sudut Juring/360 x πr2
392,5 = 72/360 x 3,14 x
r2
         = 0.628
r2
 625   = r2
25      = r

kasih jawaban terbaik ya…
semoga membantu

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Gambar Jawaban