Question

Nita walks from her house 160 meters north and from there 630 meters west to visit her friend. While coming back she walked diagonally from her friend’s house back to her home. What distance did she walk while coming back? ( chapter - square and square roots )

Answer 1

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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

OB

2

=OA

2

+AB

2

⇒OB

2

=(160)

2

+(630)

2

=25600+396900

=422500