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What is the length of the longest rod that can be placed in a room of dimensions 12 m 9 m 8 m? |
15 m 17 m 16 m 14 m |
17 m |
The longest rod that can be placed inside the room = \(\sqrt {l^2 + b^2 + h^2}\) = \(\sqrt {12^2 + 9^2 + 8^2}\) = \(\sqrt {144 + 81 + 64}\) = \(\sqrt {289}\) = 17 m |
