Mathematics
Junior High

この問題が分かりません!解説よろしくお願いします💦

26 5? 12 x 58° 16 18°
oRA 80 37 80 13) (14) x 82 ° 29° ( rの大きさを求めよ。 →
58° 51 3 14) 15) 78° 53° よ。 → p243 別3 p244 4

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