Asked by Sandy
A beautiful Princess is locked inside the Castle. A Moat 15 metres wide surrounds the Castle.
A Knight is attempting to rescue the Princess but he only has two planks of wood, both 14.5 metres long.
How can the brave Knight bridge the Moat and rescue the Princess.
Draw diagrams and explain clearly all the calculations you make.
If the moat is of width ‘a’ and the planks are of length ‘b’ where b<a, show that the Knight will still be able to cross the moat provided b>0.94a
A Knight is attempting to rescue the Princess but he only has two planks of wood, both 14.5 metres long.
How can the brave Knight bridge the Moat and rescue the Princess.
Draw diagrams and explain clearly all the calculations you make.
If the moat is of width ‘a’ and the planks are of length ‘b’ where b<a, show that the Knight will still be able to cross the moat provided b>0.94a
Answers
Answered by
PsyDAG
The knight must put the first plank diagonally across the corner of the moat, then put the second on the first.
Cannot diagram here.
Cannot diagram here.
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