Calculate 6539
Calculate the magnitude of the angle formed by the lines p and q, which connect 1, 6 (line p), and 5, 8 (line q) on the clock face.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- geometry
- line
- vector
- inscribed angle theorem
- arithmetic
- absolute value
- planimetrics
- circle
- basic functions
- reason
Units of physical quantities:
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