Question

Point P is the midpoint of seg CD. If CP = 2.5, find l(CD).

Answer 1

We have l(CP) = 2.5.
Since, P is the midpoint of seg CD, then
l(CP) = $\frac{1}{2}$ of l(CD)
∴ l(CD) = 2 × l(CP) = 2 × 2.5 = 5
So, length of CD is 5.