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Winding Vine

Age 14 to 16 Short
Challenge Level

A pole is 28 metres high and has a constant circumference of 3 metres.

A vine has grown from the bottom to the top of the pole, winding around the pole 7 times.

How long is the vine?





This problem is adapted from the World Mathematics Championships
You can find more short problems, arranged by curriculum topic, in our short problems collection.