A man travels 7 km due north then goes 3km due east and then 3 km due south .How far is he from his starting point.
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70
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Answered by
6
Answer:
5 km
Step-by-step explanation:
In ΔAOB,O is right angle.
∴ Applying Pythogorus theorem,
(AB)
2
=(OB)
2
+(OA)
2
=9+16
(AB)
2
=25
AB=5
∴ He is 5km from starting point.
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