What is the answer because I don't know

2.) Persian kingdom was to conquer nearby lands and then unite them into one empire.

3.) Darius organized the empire by dividing it into provinces.  Through his leadership, Persia became more centralize and united under one language and banner.

4.) The Ionian Revolt was the result of Persians oppressing the people of Greece under their rule.  It was significant because it started the Greek-Persian Wars which would eventually lead to Persian victory over the Greek nations.

Explanation:

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