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A rectangular box is 6 inches long, 5 inches wide and 7 inches tall. What is the approximate length of its longest diagonal?
A. 9.3 inches
B. 10 inches
C. 10.5 inches
D. 18 inches

Respuesta :

mathmate

Answer:

10.5 inches

Step-by-step explanation:

The length of the longest diagonal is across two opposite points of the solid, namely

L = sqrt ( 6^2 + 5^2 + 7^2)

= sqrt (36+25+49)

= sqrt(110)

= 10.5"

Answer:

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Step-by-step explanation:

truly sorry

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