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Question
Point P is the midpoint of seg CD. If CP = 2.5, find l(CD).
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Solution
We have l(CP) = 2.5
Point P is the midpoint of seg CD.
l(CP) = `1/2` of l(CD)
∴ l(CD) = 2 × l(CP)
∴ l(CD) = 2 × 2.5
∴ l(CD) = 5
So, length of CD is 5.
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