THIS MONTH'S QUIZ
1. A thin, straight rod is being carried along a corridor 1 m wide and 3 m high. If the corridor has a right angled corner, what is the length of the longest rod that can be taken round the corner, if the rod must be kept horizontal?
2. If the rod may be tilted, what then is the longest rod that can be taken round the corner?
3. Another corridor has a right angled corner, but the two sections which meet at the corner have widths of 1 m and 2 m respectively. What is the length of the longest rod that can be taken round this corner, if the rod must be kept horizontal?
