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. Find the length of the longest rod that can be placed in a room measuring 12 m x 9 m x8 m.Hint. Length of the rod Length of the diagonal of the room.] |
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Answer» Longest rod=length of diagnal of roomFirst of all, diagonal of floor=(12^2+9^2)^(1/2)=(144+81)^(1/2)=15mHeight of room=8mDiagonal of room, diagonal of floor and height of room forms triangle.Therefore, length of rod=(15^2+8^2)^(1/2)=(225+64)^(1/2)=17m |
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