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sunayana walks 8 km due east, then turns round and goes 4 km west of the starting point. Then, she again turns back and returns to the starting point. what is the total distance covered by her? |
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Answer» Answer: The MOVEMENTS of Kishen are as shown in FIG. (A to B, B to C and C to D). AC=(AB−BC)=(10−6)KM=4km. clearly, D is to the North-East of A. ∴ Kishen's distance from starting POINT A=AD= AC 2 +CD 2
= 2 +3 2
= 25 =5km So, Kishen is 5 km to the North-East of his starting point solution |
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