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Continue to ChatEx 9.1, 14 - Chapter 9 Class 10 Some Applications of Trignometry (Important Question) https://teachoo.com//1814/1764/Ex-9.1--14---A-1.2-m-tall-girl-spots-a-balloon-moving-with-wind/category/Chapter-9-Class-10th-Some-Applications-of-Trignometry/