Question

a person is cycling home. due to unexpected water logging, he is forced to take a detour to reach his home. he starts to cycle 5 km towards north, turns right, goes 3 km again turns right goes 2 km then turns left goes 2 km then turns right and goes 3 km then finally turns towards the left and travels 8 km to reach the destination. all the turns he took were in right angles. how many kilometers will he have to travel to the destination if he had cycled in a straight path?

Answer 1

he had to travel 21 kilometres