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ICSE Class 9 Answered

1)A man travels 7 km due north ,then goes 3km due east and the 3 km due south.how far is he from starting point

 

Asked by Sunita | 09 Mar, 2018, 02:53: PM
Expert Answer
 
begin mathsize 16px style From space the space diagram comma space it space is space clear space that space we space have space to space find space distance space AD.
In space right minus angled space triangle AED comma
AD squared equals AE squared plus ED squared equals 3 squared plus 4 squared equals 9 plus 16 equals 25
rightwards double arrow AD equals 5 space cm
end style
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