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In ∆ ABC, AB : BC = 2 : 3, BC : CA = 4 : 5, then find AB : BC : CA.

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In ∆ ABC, AB : BC = 2 : 3, BC : CA = 4 : 5, then find AB : BC : CA.

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AB : BC : CA

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(2:3)×4=8:12
(4:5)×3=12:15
ans-8:12:15

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