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Question
A triangle ABC has been enlarged by scale factor m = 2.5 to the triangle A' B' C'. Calculate : the length of AB, if A' B' = 6 cm.
Solution
Given that ABC has been enlarged by scale factor m = 2.5 to the triangle A' B' C'
A'B' = 6 cm
So, AB (2.5) = A'B'
`=>` AB (2.5) = 6
`=>` AB = 2.4 cm
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