A person going 40m to the south of his house.Then he turned left and g...
Solution:
To solve this problem, we need to draw a diagram and follow the directions given in the question.
Step 1: Draw a diagram
Let's draw a diagram to understand the directions given in the question.
```
30m
^
|
20m <--- *="">--->
|
40m |
|
* (A)
/ \
/ \
/ \
```
In the diagram above, point A represents the person's house, point B represents the point where the person turns left and walks 20m, and the arrow indicates the direction in which the person is walking now.
Step 2: Analyze the directions
From the diagram, we can see that the person first walks 40m to the south of his house, which means he is now to the south of his house at point A.
Then he turns left and walks 20m, which means he is now to the east of point A and at point B.
After that, he turns to the north and walks 30m, which means he is now to the north of point B.
Finally, he starts walking towards my house, which means he is now walking in the north-west direction.
Step 3: Choose the correct answer
From the above analysis, we can see that the person is walking in the north-west direction. Therefore, the correct answer is option C, North West.
Conclusion:
The person is walking in the north-west direction. This question requires the ability to follow directions and analyze the position of the person in the given directions.