alleryদুজন বন্ধু একেটা স্থানৰ পৰা ওলাই যায়। এজনে পূব দিশত 9 m আৰু আনজনে উত্তৰ দিশত 12 m খোজ কাঢ়ে। তেওঁলোকৰ মাজৰ দূৰত্ব কিমান?
A15 m
B21 m
C13 m
D18 m
Answer & Solution
Correct answer: A. 15 m
তেওঁলোকৰ পথ দুটা সমকোণত আছে, গতিকে দূৰত্ব হৈছে 81 যোগ 144 ৰ বৰ্গমূল, যিটো 15 m।
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