Richa drives 8 km south, turns left and drives 4 km. She then turns left and drives for 11km. At what distance is he from the departure point, if there is a direct route between the two points?
Explanation:
Drives 8 km South, turns left (East) 4 km, turns left (North) 11 km. Net vertical = 11 - 8 = 3 km North. Net horizontal = 4 km East. Distance = √(3² + 4²) = 5 km.
Priya starts from her house, walks 7 km in North, then turns to her right and walks 9 km. It moves Finally he turns to his right and walks 7 km. It moves How far and in which direction is he from his home?
Explanation:
Priya walks 7 km North, 9 km East (right turn), and 7 km South (right turn). The North and South distances cancel out. She is exactly 9 km East of her starting point.
No comments yet. Be the first to start the discussion!