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vivado [14]
3 years ago
9

Determine the length of the longest metal rod which could be stored in a rectangle box 20 cm by 50 cm by 30 cm.

Mathematics
2 answers:
navik [9.2K]3 years ago
5 0

Answer:

61.64 cm

Step-by-step explanation:

The longest metal rod which could be stored in a rectangular box will be equal to its diagonal:

\therefore \: length \: of \:metal \: rod  \\  =  \sqrt{ {l}^{2} +  {b}^{2}   +  {h}^{2} }  \\  =  \sqrt{ {20}^{2} +  {50}^{2}  +  {30}^{2}  }  \\  =  \sqrt{400 + 2500 + 900}  \\  =  \sqrt{3800}  \\  = 61.64414 \\  = 61.64 \: cm

gavmur [86]3 years ago
5 0

Answer:

62 cm

Step-by-step explanation:

D = √(20² + 50² + 30²)

= √(400 + 2500 + 900)

= √3800

= √38*10²

= 10√38

≈ 61.64

≈ 62 cm

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