alleryইৰাই দক্ষিণ দিশত 20 km খোজ কাঢ়ে, বাওঁফালে ঘূৰে আৰু 21 km খোজ কাঢ়ে। আৰম্ভণি স্থানৰ পৰা তেওঁ কিমান দূৰত আছে?
A41 km
B29 km
C25 km
D31 km
Answer & Solution
Correct answer: B. 29 km
বাওঁফালে ঘূৰাটো এটা সমকোণ, গতিকে দূৰত্ব হৈছে 400 যোগ 441 ৰ বৰ্গমূল, যিটো 29 km।
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