A boy 5
A boy starts at A and walks 3km east to B. He then walks 4km north to C. Find the bearing of C from A.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- geometry
- analytic geometry
- planimetrics
- right triangle
- triangle
- goniometry and trigonometry
- tangent
- arctangent
Units of physical quantities:
Grade of the word problem:
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