Renu walks 9 km towards East and then 12 km towards the South. Which direction she will take to reach starting point ?
(1) North-West
(2) South
(3) South - West
(4) South - East
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SHE WILL TAKE NORTH -WEST TO REACH STARTING POINT
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Answer:
(1) North-West
Step-by-step explanation:
See attachment for visual explanation.
More details:
Find the distance that she has to travel to reach the starting point
a² + b² = c²
9² + 12² = c²
c² = 225
c = √225
c = 15 km
Answer: Renu needs to walk 15 km North-West to reach the starting point.
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