VTMO 2026 - Grade 2 - Final - SET 6 - Self-study Question 14

An and Bình start at $S$ and finish at $F$. An follows $S\to A_1\to A_2\to F$; Bình follows $S\to B_1\to B_2\to F$, along the rectangle shown. An walks 10 m farther than Bình. How many meters longer is $A_2F$ than $B_2F$?