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Question

Neha walks form the house 160 m north and there 630 m west to visit her friend's house. We coming back, she walks diagonally from her friend's house to her house. How much distance does cover while returning ?

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Solution

Actually it is forming a right angle triangle here we have to find the hypotenuse and other two legs are 160 m and 630 m so

OB2=OA2+AB2

OB2=(160)2+(630)2
=25600+396900
=422500

OB=650m

1257587_1507401_ans_0ac6996d0e364692850b2bd5f974518f.png

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