Answer:
Similar in function but different in shape.
Step-by-step explanation:
Both balangay and Vinta boats are similar in function i.e. both boats was used for transportation as well as trading purposes. Both are different in their structure i.e. balangay is a type of lashed-lug boat built by joining planks edge-to-edge using pins, dowels, and fiber lashings whereas, the Vinta has a deep and narrow hull which formed a U-shaped dugout keel made up of five planks on each side. Both are sailing boats used for movement and trading. Both were used by the ancient Philippines people.