1.

find the length of the longest rod that can be placed in a room measuring 12 metre into 9 metre into 8 metre​

Answer»

Answer:

17 m

Step-by-step explanation:

LONGEST rod can be placed along the body diagonal of the room

hence length of body diagonal = SQRT(8*8 + 9*9 +12*12)

                                                   =sqrt(64+81+144)

                                                   =sqrt(289)

                                                   =17 m



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