In the given figure, lines l, m and n are parallel lines and the lines p and q are transversals. If AB = 5 cm, BC = 15 cm, then DE : EF = ?
Here, we have:
l || m || n
And p and q are the transversal lines
Thus, AB : BC = 5 : 15
AB : BC = 1 : 3
∴ Using intercept theorem,
DE : EF = 1 : 3