alleryएक ड्रोन 15 km पश्चिम और फिर 8 km दक्षिण की ओर उड़ता है। वह अपने प्रक्षेपण बिंदु से कितनी दूरी पर है?
A15 km
B17 km
C23 km
D19 km
Answer & Solution
Correct answer: B. 17 km
225 और 64 के योग का वर्गमूल 17 है, इसलिए ड्रोन 17 km दूर है।
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