Two runners start from the same point at 12:00 noon, one of them heading north at 6 mph and the other heading 68° east of north at 8 mph. What is the distance between them at 3:00 that afternoon?
စာဖတ်သူ၏ အမြင်ကို လေးစားစွာစောင့်မျှော်လျက်!
Exercise (11.3)-Problem 17
သူရိန်မင်း
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