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The breadth ‘b’ of a room is twice its height and half of its length. Find the length of the longest diagonal of the room.
5Q:
The breadth ‘b’ of a room is twice its height and half of its length. Find the length of the longest diagonal of the room.
- 1$$ {\sqrt { 20} \ b }\over 2 $$false
- 2$$ { b }\over 2 $$false
- 3$$ {\sqrt { 21} \ b }\over 2 $$true
- 4$$ {\sqrt { 19} \ b }\over 2 $$false
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