Answer:
AB ≈ 4.73
Explanation:
using the sine ratio in the right triangle
sin25° = = = ( multiply both sides by AB )
AB × sin25° = 2 ( divide both sides by sin25° )
AB = ≈ 4.73 ( to the nearest hundredth )
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= 
= 
( multiply both sides by AB )
≈ 4.73 ( to the nearest hundredth )