What contribution did Prince Henry the Navigator of Portugal make toward European exploration? A. He invented the compass used by navigators.
B. He sailed west and discovered the Americas.
C. He established direct trade with China.
D. He built a school to train navigators.

6 units. ab and lo are congruent sides, and if ab= 6 units, then lo would be the same.

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the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.