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Question

Starting from a place, a ship travelled 12 km east and then turning north, it travelled 16 km. Find the direct distance of the ship from the starting point.

18 km

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20 km

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22 km

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24 km

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None of the above

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Solution

The correct option is B 20 km

Required distance
$A C = \sqrt{(A B)^{2} + (B C)^{2}} = \sqrt{(12)^{2} + (16)^{2}} = \sqrt{144 + 256} = \sqrt{400} = 20 k m$

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Starting from a place, a ship travelled 12 km east and then turning north, it travelled 16 km. Find the direct distance of the ship from the starting point.

The correct option is B 20 km Required distance AC=√(AB)2+(BC)2=√(12)2+(16)2=√144+256=√400=20km

The correct option is B 20 km

Required distance
$A C = \sqrt{(A B)^{2} + (B C)^{2}} = \sqrt{(12)^{2} + (16)^{2}} = \sqrt{144 + 256} = \sqrt{400} = 20 k m$