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m1 / sin (90+53)° = m2 / sin (90+37°)
m1 / cos 53° = m2 / cos 37°
m1 / m2 = cos 53° / cos 37°
m1 / m2 = (3/5) / (4/5)
m1 / m2 = 3 / 4 ←
perbandingan
m1 : m2 = 3 : 4