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രവി 8 കിലോമീറ്റർ ഇടത്തോട്ടും 6 കിലോമീറ്റർ വലത്തോട്ടും നടന്നശേഷം 4 കിലോമീറ്റർ ഇടത്തോട്ടും 3 കിലോമീറ്റർ വലത്തോട്ടും സഞ്ചരിക്കുന്നു എങ്കിൽ രവി ഇപ്പോൾ ആദ്യ സ്ഥാനത്ത് നിന്ന് എത്ര കിലോമീറ്റർ അകലെയാണ്?

A15

B20

C17

D18

Answer:

A. 15

Read Explanation:

1000166578.jpg

B ആണ് തുടങ്ങിയ സ്ഥലം

AB= √(12^2 + 9^2)

= √(144+81)

= √(225)

= 15 Km


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