i need help about properties of arc

invisun

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all i want to know is AA'=Lγ a property of arc in 3 dimension
thank you so much!
 

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all i want to know is AA'=Lγ a property of arc in 3 dimension
Please reply with the full and exact text of the exercise, along with the complete instructions. For instance, I think "AA'" means "the minor arc, with endpoints being A and A', of the circle centered at O", but I'm not clear on what is meant by the product (?) of the length L and the angle-measure gamma.

When you reply, please include a clear listing of your thoughts and efforts so far. Thank you! ;)
 
Please reply with the full and exact text of the exercise, along with the complete instructions. For instance, I think "AA'" means "the minor arc, with endpoints being A and A', of the circle centered at O", but I'm not clear on what is meant by the product (?) of the length L and the angle-measure gamma.

When you reply, please include a clear listing of your thoughts and efforts so far. Thank you! ;)
anyways very thank to you. i understood now
 
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