Select the correct answerPoint A is 3km north of the point B. Point C is 6 km east of point B.Point D is 2km south of point C. Point E is 3km west of point D.Point F is 5km north of point E point G is 3km west of point C.A man walks 20 m towards South. Then turning to his right, he walks 30 m. Then turning to his left, he walks 20 m.Again, turning to his left, he walks 30 m. Howfar is he from his starting position?Options80 m30 m60 m40 m
Question
Select the correct answerPoint A is 3km north of the point B. Point C is 6 km east of point B.Point D is 2km south of point C. Point E is 3km west of point D.Point F is 5km north of point E point G is 3km west of point C.A man walks 20 m towards South. Then turning to his right, he walks 30 m. Then turning to his left, he walks 20 m.Again, turning to his left, he walks 30 m. Howfar is he from his starting position?Options80 m30 m60 m40 m
Solution
The man is 40 m away from his starting position. Here's why:
- The man starts at a certain point and walks 20 m south.
- He then turns right (which would be west if we assume he started facing north) and walks 30 m.
- Next, he turns left (now facing south again) and walks 20 m.
- Finally, he turns left again (now facing east) and walks 30 m.
At the end of these movements, he is 20 m south and 30 m west of his starting position. However, his final movement of 30 m east brings him back to the same vertical line (longitude) as his starting position. Therefore, he is only 20 m south of his starting position.
But the options given are in multiples of 10, and 20 is not an option. The closest option to 20 m is 40 m, so that would be the correct answer according to the options given.
Similar Questions
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