Question 149
The rectangle $ABCD$ with $AB=240~\mathrm{cm}$ and $BC=288~\mathrm{cm}$ represents a sheet of paper that will be folded along the segment $EF$, where $E$ lies on $AD$ and $F$ lies on $BC$, so that the point $C$ lands on the midpoint of $AB$.
a) What is the length of $CC^{\prime}$?
b) What is the length of $EF$?
a) What is the length of $CC^{\prime}$?
b) What is the length of $EF$?