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A rectangular box is 10 inches wide, 10 inches long and 5 inches high. what is the greatest possible distance, in inches ,between any two points on the box?

A rectangular box is 10 inches wide, 10 inches long and 5 inches high. what is the greatest possible distance, in inches ,between any two points on the box? Correct Answer 15

আয়তাকার বক্সটির width (a) = 10 inch; length (b) = 10 inch এবং height (c) = 5 inch দুটি বিন্দুর মধ্যকার greatest distance (সর্বোচ্চ দূরত্ব) বা কর্ণ d - এর মান বের করতে হবে।  আমরা জানি,  ঘণবস্তুর কর্ণের দৈর্ঘ্য  (d) = ✓(a² + b² + c²)       = ✓(10² + 10² + 5²)       = ✓225       = 15 

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